"We must stop the shark-finning which is resulting in the death of thirty to seventy million sharks each year because that has so upset ocean ecology by the removal of these often apex, top-level predators."

VOA: special.2011.03.15

Well, notice again, on each level of the tree, when I actually do the merging, so this remember, is when I wrote down just the numbers when I bottomed out with the list of size 1.

请注意，在这棵树中的每一层，我真正做合并时，就将每个大小为1的列表中的,数字写下来。

哈佛公开课 - 计算机科学课程节选

One, two, three, four, so on each level of the picture I'm drawing, I've seem only to be looking at each number once.

，2，3，4，可见，在我画的,这幅图的每一层上，对每个数字,都只会用到一次。

哈佛公开课 - 计算机科学课程节选

Morrell said the general's request will contain further analysis and a range of force level options for the president to consider, along with a statement of the risks of each option.

VOA: standard.2009.09.23

O Right there, order n. So I have order n operations at each level in the tree. And then how many levels deep am I? Well, that's the divide, right? So how many levels do I have?

在这儿,所以我在树的每个层次都要做O的操作,那个这棵有多少层呢？,这是一个除法，不是吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

The curriculum outline activities that address learning skills in each learning grade level, including letter writing, data collection, reading, research skills and presentation skills, critical thinking and collaborative working in small groups.

教程总体活动注重,培养学生在每个年级水平的,学习技巧，包括书信写作，数据搜集，阅读，研究技巧，展示技巧，批判性思维,还有小组的团队协作能力。

麻省理工公开课 - 媒体、教育、市场课程节选

Each agent is going to choose her effort level to put into this firm.

每个股东都要选择为公司投入多少精力

耶鲁公开课 - 博弈论课程节选

Well it kind of depends on what you think is driving the problem, and each of these things suggest a different level, different types of things you might do.

这取决于你对产生这个问题的原因的理解,不同的理解决定着你可以采取的,行动的层次和方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So we know that we can relate to z effective to the actual energy level of each of those orbitals, and we can do that using this equation here where it's negative z effective squared r h over n squared, we're going to see that again and again.

我们知道我们可以将有效电荷量与,每个轨道的实际能级联系起来，我们可以使用方程去解它,乘以RH除以n的平方,它等于负的有效电荷量的平方,我们将会一次又一次的看到它。

麻省理工公开课 - 化学原理课程节选

On each level in the picture, I'm touching each number once, alright.

在这幅图的每一层上，我只会移动每个数字一次。

哈佛公开课 - 计算机科学课程节选

When I started merging, I did merging three times across this whole board, this level, this level, and this level, and each time because of the way I was advancing my fingers I touched each number just once.

在整个过程中，我一共做了,三次合并，这一层，这一层，和这一层，而且每次,由于要前移手指，因此对每个数字,仅仅移动了一次。

哈佛公开课 - 计算机科学课程节选