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句对齐列表 共 16269 个结果  
序号 中文 英文 操作
14591 2020年12月30日 | 问答 30 December 2020 | Q&A
14592 病毒发生突变或改变是什么意思？ What does it mean to say a virus mutates or changes?
14593 病毒复制时，有时会发生一点变化。 When a virus replicates or makes copies of itself, it sometimes changes a little bit.
14594 这些变化称为“突变”。 These changes are called “mutations.” A virus with one or several new mutations is referred to as a “variant” of the original virus.
14595 具有一个或多个新突变的病毒被称为原始病毒的“变体”。 The more viruses circulate, the more they may change.
14596 病毒越传播，发生改变的可能性就越大。 These changes can occasionally result in a virus variant that is better adapted to its environment compared to the original virus.
14597 与原始病毒相比，这些变化有时可能会使病毒变体更适应其环境。 This process of changing and selection of successful variants is called “virus evolution.” Some mutations can lead to changes in a virus’s characteristics, such as altered transmission (for example, it may spread more easily) or severity (for example, it may cause more severe disease).
14598 这种改变和选择成功变异的过程被称为“病毒进化”。 Some viruses change quickly and others more slowly.
14599 某些突变会导致病毒特征的改变，例如改变传播性（例如，它可能更容易传播）或严重程度（例如，它可能导致更严重的疾病）。 SARS-CoV-2, the virus which causes COVID-19, tends to change more slowly than others such as HIV or influenza viruses.
14600 有些病毒变化很快，而有些则变化较慢。 This could in part be explained by the virus’s internal “proofreading mechanism” which can correct “mistakes” when it makes copies of itself.