So what that means is that's how much energy we would have to put into a hydrogen molecule in order to get it to split apart into its two atoms.

它的意义,就是我们需要向一个氢分子中注入这么大的能量,才能将它分解成两个独立的原子。

麻省理工公开课 - 化学原理课程节选

What happens in the intestine is that food gets broken down into constituent molecules, some of those molecules are absorbed into our bodies.

在肠道中,食物必须分解成基本的组成分子,其中一些分子才能被我们的身体吸收

耶鲁公开课 - 生物医学工程探索课程节选

Our step three is to figure out how many bonding electrons that we need, or excuse me, how many total electrons that we need to fill up our octets, so that's just going to be 4 times 8, which is 32.

我们的第三步是判断,我们需要多少个成键电子，不好意思，是我们总共需要多少个电子,才能填满所有“八隅体“,那么这就应该是四乘上八，也就是三十二。

麻省理工公开课 - 化学原理课程节选

So imagine the following example, an invader is thinking about invading a country, and there are two ways -- there are two passes if you like -- through which he can lead his army.

想象一下这样的例子,一个侵略者打算入侵一个国家,有两条路,想象成两个关口也行,侵略者必须通过一个才能进入

耶鲁公开课 - 博弈论课程节选

And who, where would--If it was, if it was converted into a weapon, where would the vaccines to protect the rest of the country come from?

如果天花被转化成生化武器,去哪里才能找来保护国家的疫苗呢

耶鲁公开课 - 生物医学工程探索课程节选