So, you want to give it to them because the biology of children is different than adults, and so you need to make sure it works in that population.

你希望将疫苗分发给孩子们,因为儿童与成人在生物学上不尽相同,要确保疫苗对儿童有效

耶鲁公开课 - 生物医学工程探索课程节选

We're also posting a practice exam for you to take, so after you're completely done your studying, it's good to have everything done before you take the practice exam, and then sit down just with this sheet here and your calculator, and ideally a timer, and make sure you can do the practice exam in the allotted amount of time.

我们还将给出一份模拟试题，因此在你完全复习好之后，最好先复习完,再做这份模拟试题，坐下来,只拿出这张表与计算器，最好还有个计时器，确保自己完成模拟题,在规定的时间内。

麻省理工公开课 - 化学原理课程节选

It's basically to get you to load up Python on your machine and make sure you understand how to interact with it.

它基本上让你在你的机器上,装Python语言,并确保你理解如何与它互动。

麻省理工公开课 - 计算机科学及编程导论课程节选

And also I wanted to mention in terms of checking your Lewis structures, regardless of what they are, you should always go back and I had 10, and then count 2, 4, 6, 8, 10, because you always need to make sure you have the same number of valence electrons that you calculated in your actual structure.

我还想提一点关于检查,你的路易斯结构的建议，不管它们是什么，你总是应该回去检查一下,我有十个，然后数一数，二，四，六，八，十个，因为你总是需要确保实际价电子的数量,与你在结构中算出的数量相等。

麻省理工公开课 - 化学原理课程节选