塑料袋每年会导致10万只海洋动物死亡，因为这些动物误以为它们是食物。所以如果你必须使用它们，一定要回收它们。

Plastic bags cause the deaths of 100,000 marine animals each year because the animals mistake them for food. So if you must use them, always recycle them.

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垃圾污染环境，危害人类健康，导致动物死亡。

Waste pollutes the environment, harms people's health and causes animals to die.

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澳大利亚的丛林大火在几个月后被扑灭，这场大火导致数百万动物死亡。

The bush fires in Australia were put out after a few months, leaving millions of animals dead.

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One way that that's done is by introducing genes into cancer cells, genes that aren't normally expressed in any mammalian cell, but that will cause the cancer cell to die.

已经成功应用的一种方法是,将基因导入癌细胞,而这种基因通常不在哺乳动物细胞中表达,但是可以导致癌细胞的死亡

耶鲁公开课 - 生物医学工程探索课程节选

If you imagined a choice between this one gene that makes the animal choose to die and the other gene that makes an animal choose for its brothers to die, the gene that sacrifices the body it belongs to will make more copies in the future.

如果你想象做一个选择,一个基因让动物选择死亡,另一个基因让动物,选择为它的兄弟死亡，自我牺牲的基因,将来会复制更多自己。

耶鲁公开课 - 心理学导论课程节选