All language subtitles for [Chinese (Simplified)] COVID-19 Animation_ What Happens If You Get Coronavirus_ [DownSub.com]
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1
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这是SARS CoV-2。
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它属于冠状病毒家族,
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以类似冠刺命名
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在他们的表面上。
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SARS CoV-2可能导致COVID-19,
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一种传染性的病毒感染
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主要攻击您的喉咙和肺。
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你体内到底发生了什么
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00:00:30,865 --> 00:00:33,534
当您感染冠状病毒时?
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究竟是什么导致您的身体
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00:00:36,177 --> 00:00:38,806
患上肺炎?
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疫苗将如何工作?
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冠状病毒必须感染活细胞
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为了繁殖。
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让我们仔细看看。
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在病毒内部
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00:00:50,084 --> 00:00:53,054
遗传物质包含信息
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复制更多病毒。
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蛋白质外壳提供了坚硬的保护
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包涵遗传物质
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随着病毒在
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00:01:01,729 --> 00:01:03,831
被它感染的人。
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外壳通过病毒
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与细胞融合感染细胞
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细胞的外膜。
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从外层上伸出来的是
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蛋白质分子的顶部。
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典型的流感病毒和
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新的冠状病毒都利用其顶部
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就像进入体内细胞的钥匙一样,
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它衔接内部机器的地方
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重新利用它来构建成分
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新病毒的。
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当被感染者讲话时,
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咳嗽或打喷嚏
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携带病毒的飞沫可能落到
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你的嘴或鼻子里
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然后进入肺部。
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一旦进入体内,
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病毒接触
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您的喉咙、鼻子或肺部的细胞。
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病毒一尖刺
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插入受体分子
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在健康的细胞膜上
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就像锁中的钥匙一样。
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此操作允许病毒
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进入你的细胞。
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典型的流感病毒会传播
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在囊袋里
50
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由您的细胞膜制成
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到细胞核
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你的细胞所在的地方
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所有其遗传物质。
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另一方面,冠状病毒
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不需要进入宿主细胞核。
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它可以直接访问部分宿主细胞,
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叫做核糖体。
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核糖体利用遗传信息
59
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从病毒中制造出病毒蛋白
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例如病毒表面的顶尖。
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细胞中的包装结构
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然后在小泡中携带顶尖部,
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与您的细胞融合于
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外层,即细胞膜。
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创建新病毒所需的所有部位
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聚集在细胞膜下。
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然后新的病毒开始被毁灭
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来自细胞膜。
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为此,我们必须检查您的肺部。
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每个肺都有独立的部分
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称为叶。
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通常,当您呼吸时,空气自由流动
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通过气管或气道,
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然后通过大气道,称为支气管,
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通过较小的管道,称为细支气管,
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最后进入称为肺泡的微小囊中。
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您的气道和肺泡
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富有韧性和弹性。
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当你吸气时
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每个气囊都像一个小气球一样膨胀。
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当您呼气时,肺泡会收缩。
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小血管,叫做毛细血管,
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包围在你的肺泡周围。
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呼吸空气中的氧气
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进入毛细血管,
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然后从你体内排出二氧化碳
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从毛细血管中传出
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进入你的肺泡,使你的肺
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呼气时可以排出它。
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您的气管会截取大多数细菌
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在气管内面的粘液中
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支气管和细支气管
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在健康的身体中
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毛发样微纤毛内面
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不断推动粘液和细菌
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排出气道外
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您可以通过咳嗽将其排出体内。
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通常情况下,您的免疫系统细胞
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会攻击病毒和细菌
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经过黏液和纤毛
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并进入您的肺泡。
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然而,
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如果您的免疫系统减弱
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像冠状病毒感染者一样
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病毒会淹没您的免疫细胞
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你的细支气管和肺泡
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会发炎。
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您的免疫系统攻击
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繁殖中的病毒。
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炎症可以导致
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您的肺泡充满渗液,
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使你的身体变得困难
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获得所需的氧气。
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你可能会发展为大叶性肺炎
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肺的一个肺叶受到影响
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或者您可能患有支气管肺炎
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会影响双肺的许多区域。
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肺炎可能导致...
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呼吸困难
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胸痛
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咳嗽
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发烧和发冷
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意识不清
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头痛
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肌肉疼痛
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和疲劳。
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这也可能导致
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更严重的并发症:
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发生呼吸衰竭时
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你的呼吸变得非常困难
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你需要一台机器叫做
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呼吸机来帮助呼吸。
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这些是拯救生命的机器
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且医疗设备公司
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需为此增加产量。
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无论你是否会发展
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这些症状取决于
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很多因素,例如
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你的年龄以及是否
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现存的身体条件。
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虽然所有这些听起来都很恐怖,
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推动开发冠状病毒疫苗
143
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正在加快进程。
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其他冠状病毒的研究
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导致大多数研究人员认为
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从病中康复的人
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如SARS-CoV-2感染康复者可以得到保护
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过一段时间才会被感染。
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但是这个假设需要得到支持,
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根据经验证据和
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一些研究表明,并非如此。
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有几种不同的方法获得
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潜在的疫苗
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对抗冠状病毒。
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基本思想是
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你会得到注射,包含
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微弱的病毒样本。
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疫苗会暴露您的身体
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给毒力弱的病毒
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而引起感染,但足够有力(抵抗)
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而刺激免疫反应。
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在几周内
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免疫系统中的细胞会
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为抗体作标记,
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这将特定地
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针对冠状病毒或特定
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于它的峰值蛋白。
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然后,抗体会附着在病毒上,
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防止它附着在您的细胞上。
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然后您的免疫系统做出反应
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来自抗体的信号
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通过消耗和破坏
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大量的病毒。
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如果您随后感染了真正的病毒
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在以后的阶段
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您的身体会识别并摧毁它。
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换一种说法,
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您的免疫系统已启动。
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收集循证证据
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观察这是否可能,
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安全和有效
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是研究人员的一部分工作
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这么久才能开发出疫苗(的原因)。
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这是一场与时间的竞赛
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在大流行中开发疫苗。
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疫苗开发的每个步骤
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通常需要几个月甚至几年的时间。
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埃博拉疫苗破纪录
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是通过五年的准备。
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希望在这里
191
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为新的冠状病毒开发的一种
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能在创纪录的12到18个月内。
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虽然这需要时间,
194
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如果可以的话,待在家里
195
00:07:01,528 --> 00:07:03,791
保护最脆弱的人
196
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别忘了洗手
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至少持续20秒,
198
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尽可能经常地。
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