她每次从巢里拿出15只，用嘴把它们叼到附近的水里。

She takes about fifteen out of the nest at a time, carrying them in her mouth to the nearby water.

youdao

现在，每次在你开始用任何一个坏习惯时，你必须要去积极地选择。

Each time you start to do whatever the bad habit is now you have to actively choose.

youdao

用其他文档重复该过程，每次一个文档。

Repeat this process for your other documents, one at a time.

youdao

You can go ahead and use that equation, or you could figure it out every time, because if you know the total number of nodes, and you know the angular node number, then you know how many nodes you're going to have left.

你们可以直接用这个方程，或者每次都自己算出来，因为如果你们知道了总的节点数，又知道角向节点数，就知道剩下的节点数是多少。

麻省理工公开课 - 化学原理课程节选

If you'd like to sit down with one of us more intimately and more sort of tranquilly, and work through problems for more than just a couple minutes at a time.

如果你希望和我们其中一个人坐下来，更亲密的,更平静的，每次用几分钟的时间,来解决问题。

哈佛公开课 - 计算机科学课程节选

if you don't want to use that, you can also derive it as we did every time, it should intuitively make sense how we got there. But the exams are pretty short, so we don't want you doing that every time, so we'll save the 2 minutes and give you the equations directly, but it's still important to know how to use them.

吸收的和发射的，如果你不想用公式,你也可以每次都向我们这样推导它,很直观的就能得到结果，但考试时间很短，我们不希望你们每次都推导,所以我们会直告诉你，让你节省2分钟，但知道如何应用它十分重要。

麻省理工公开课 - 化学原理课程节选