病毒没有被杀死，所以它是活病毒，它会感染你的肠道系统并繁殖。

The virus is not killed so it's a live virus, which is actually going to infect your intestinal system and reproduce.

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这会影响它们的神经系统和繁殖幼鸟的能力，并可能导致肾衰竭和死亡。

This affects their nervous systems and ability to produce baby birds, and can lead to kidney failures and death.

youdao

短吻鳄会逃跑，找到进入纽约下水道系统的路并开始在那里繁殖，长得巨大，现在还使得下水道工人感到害怕。

The alligators would escape and find their way into the New York sewer system where they started reproducing, grew to huge sizes and now strike fear into sewer workers.

youdao

The virus is not killed so It's a live virus, which is actually going to infect your intestinal system and reproduce.

病毒没有被杀死,那么它就是活性病毒,也就意味着它将会,侵入你的肠道系统并且会繁殖

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You could imagine that you've got virus that's propagating inside your cells, making more and more virus, your immune system really responds well to that.

你可以想象,病毒在你的体细胞内繁殖,数量越来越多,你的免疫系统对此反应非常之强烈

耶鲁公开课 - 生物医学工程探索课程节选

Because it infects your cells and reproduces, your immune system responds much more vigorously.

由于它会感染你的细胞并且繁殖,所以你的免疫系统会有很强烈的反应

耶鲁公开课 - 生物医学工程探索课程节选