饼干和脆饼干是用化学方法发酵的。

Biscuits and crackers are chemically leavened.

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但当我们用化学方法分析这些细胞时，我们发现了一些非常有趣的东西，其中有一种化学物质，是一种叫做端粒酶的酶。

But when we analyze these cells chemically, we find something very interesting, a chemical in them, an enzyme called telomerase.

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不要用那些用化学方式处理过的水或“蓝水”。

Do not use water that has been chemically treated or "blue" water.

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We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's -- sorry, it's 94 miles per hour.

在化学计算中我们很少,用英里每小时，所以我们把它换算为42米每秒，对不起，它是94英里每小时。

麻省理工公开课 - 化学原理课程节选

Remember, all you have to do is fill in the one or two-letter abbreviation for the chemical symbol.

记住，你们只要,用一两个字母的缩写,来代表化学元素就可以了。

麻省理工公开课 - 固态化学导论课程节选

All right. So hopefully we're pretty comfortable naming any type of wave function using the chemist terminology.

好了，希望我们都可以,接受这种,用化学术语来命名任何类型的波函数了。

麻省理工公开课 - 化学原理课程节选