还得交你如何正常使用牙刷。

You must be taught to use your toothbrush properly.

youdao

这也使得人们开始担心没有足够数量的女性，社会要如何正常运转。

All this leads to worries about how society can function without enough women.

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这让科学家们能洞察身体如何正常生长发育，也可能使一些疾病如骨关节炎和癌症更为明了。

This provides scientists with a fascinating insight into how the body grows and develops normally and may shed light on diseases such as osteoarthritis and cancer.

youdao

And I end up going back and doing unit testing anyway, to try and figure out why it doesn't work. So over the years, I've just convinced myself I might as well start where I'm going to end up.

第一次从来不会正常运行,因此无论如何我还要回头去做单元测试,找找哪儿出错了，因此经过这么多年，我已经说服自己既然一定要做单元测试,那么还是一开始就做最好了。

麻省理工公开课 - 计算机科学及编程导论课程节选

We'll talk about how your normal valves function inside your heart and how your heart couldn't work in the way that it did if it didn't have valves that were doing a very complex operation many many times a day.

我们会讨论,正常的瓣膜在心脏中如何工作,以及没有这个,每天不停完成很多复杂任务的心脏瓣膜,心脏为什么,就不能正常工作了

耶鲁公开课 - 生物医学工程探索课程节选