其中一些化学物质会赶走昆虫。

Some of these chemicals drive insects away.

youdao

我们可能很难看到日常的化学作用，但几乎你接触的所有东西都有一些化学物质。

It can be very hard to see the everyday chemistry at work, but nearly everything you touch has some chemicals in it.

youdao

在动物研究中，人们已经把其中一些化学物质与哮喘和膀胱癌联系起来。

In animal studies, some of those chemicals have been linked with asthma and bladder cancer.

youdao

And there will be a little bit of history in there, but this is mostly modern chemistry and represents the basic properties of matter, and it's basic properties of all matter, including living matter, which was what really interested me, that connection between chemistry and biology.

它们都有一些历史，但都是最现代的化学,代表了物质的最基本的性质，而且是所有物质的最基本性质，包括生物，这个让我很感兴趣，因为它连接着化学和生物学。

麻省理工公开课 - 化学原理课程节选