那么，我们如何防止蚂蚁进入我们的家呢？

So, how can we prevent ants from getting into our homes?

youdao

我们如何才能防止蚂蚁进入我们的家呢？

How can we prevent ants from getting into our homes?

youdao

在你进入家中之前先脱鞋，你就防止了这些有害化学物质入内。

By kicking off your shoes before you enter the home, you are denying entry to these harmful chemicals.

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It's a mechanism that they have evolved in order to prevent foreign genes from entering a cell and being expressed.

它们进化出这种机制来,防止异源基因进入细胞并表达

耶鲁公开课 - 生物医学工程探索课程节选