But Michael O'Donnell says the number of serious bird strike incidents has remained at or below two hundred each year.

VOA: special.2009.04.01

OK, then it says draw a single bond from each surrounding atom to the central atom, and subtract two valence electrons.

后将中心原子与其相邻原子之间,连上单键，然后减掉2个价电子。

麻省理工公开课 - 固态化学导论课程节选

Right, we had one from each atom, so that means we need a total of two in our molecular orbital.

对吧，每个原子有一个电子，这意味着在分子轨道里我们一共需要两个电子。

麻省理工公开课 - 化学原理课程节选

Each year an estimated two hundred fifty thousand to half a million children go blind from vitamin A deficiency.

VOA: special.2011.03.01

Now, compare the first element in each of these lists. Two is less than three, so two ought to be the next element of the list.

现在，比较每个列表的第一个元素,2要比3小，所以2应该是合并后列表的，下一个元素，然后你们就知道了。

麻省理工公开课 - 计算机科学及编程导论课程节选

The meat then was grilled for five minutes on each side at a temperature of more than two hundred degrees Celsius.

VOA: special.2010.06.01

The situation begins at--remember, the two sides are opposite each other in the field, probably in the morning.

战斗开始于,别忘了,战场上的敌对双方面对面列阵,也许是在早晨

耶鲁公开课 - 古希腊历史简介课程节选

As many as five thousand people left the city each year between two thousand and two thousand six.

VOA: special.2009.07.13

Two pieces of memory actually touching each other or you touching memory that you don't actually own, in which case the computer doesn't really know what to do and just, bam.

两块内存相互覆盖,或者你覆盖了不存在的内存，那样的话计算机不知道,该怎么做，只有崩溃。

哈佛公开课 - 计算机科学课程节选

The World Health Organization says there are an estimated two hundred thousand cases of the disease and thirty thousand deaths each year.

VOA: special.2009.05.26

The claim is not now we've got two Napoleons who are, of course,not identical to each other.

它并不是说有两个，样子不一样的拿破仑。

耶鲁公开课 - 死亡课程节选

In return,they earned one hundred twenty-five dollars, later raised to two hundred fifty dollars, for each book.

VOA: special.2009.08.24

I've set these two things equal to each other: I've got one equation and one unknown.

我让两个方程相等,只剩下了一个等式和一个未知数

耶鲁公开课 - 博弈论课程节选

Each year since two thousand one, the American State Department has published a Trafficking in Persons Report.

VOA: special.2010.06.14

Yeah,it's regular, and with-- each chord was holding for two beats there in duple meter.

对，这是规则变化，每个和弦都维持两拍，这里一小节两拍。

耶鲁公开课 - 聆听音乐课程节选

This was very different from the communication between two people speaking to each other on a telephone.

VOA: special.2010.01.31

Those are two continuous strands that wind around each other to form the double helix.

这两股主链,相互缠绕形成双螺旋

耶鲁公开课 - 生物医学工程探索课程节选

But he says only one or two students usually choose it each year, and no one did in the graduating class in May.

VOA: special.2009.07.23

Imagine two genes, two sorts of animals each containing their own gene.

想象两个基因，两种动物各自含有自己的基因。

耶鲁公开课 - 心理学导论课程节选

It said the government must buy two million dollars' worth of silver each month for that purpose.

VOA: special.2010.06.17

Now in a stoplight, it only has three, one is tempted to say, variables plainly differing from each other: red, yellow and green we have two ways of thinking about the red light.

交通灯，三种灯，红黄绿，它们的颜色和彼此不能,我们有两种方式认识红灯的意思。

耶鲁公开课 - 文学理论导论课程节选

Kahn had a child with each of two other women that he was not married to.

VOA: special.2009.12.13

Each of us contains these two warring, you might say, elements within us, both self-assertion and fear of the consequence of self-assertion. The question is for Hobbes, ? how do we tame these passions?

我们每个人都有这两种，矛盾的元素，即对自负之结果的自负和恐惧,对霍布斯来说，这个问题就是，我们怎样控制情绪？

耶鲁公开课 - 政治哲学导论课程节选

There could be no delay. Each stagecoach was to travel nearly two hundred kilometers a day.

VOA: special.2010.04.26

This continuity of the two scenes next to each other really does not make a lot sense to me.

就我个人而言,这两幕的衔接很说不过去。

麻省理工公开课 - 电影哲学课程节选

They can also cause them. In the United States alone, the number of infections in hospitals is estimated at close to two million each year.

VOA: special.2010.05.25

So, these two are equal to each other as well which tells me that this derivative, Cp dH/dT constant pressure is Cp.

所以这两者也相等,这告诉我们在恒压下微分，等于。

麻省理工公开课 - 热力学与动力学课程节选

My two boys like to compete against each other and play in a violent way.

VOA: special.2009.07.12

And I'm going to show you an example in a 1 second, just to drive this home, but notice the characteristics. In the first two cases, the problem reduced by 1 at each step.

在前面两个例子里,每一部问题的规模缩小了,不管是迭代的还是递归的，这表明这个问题的复杂性可能是线性的。

麻省理工公开课 - 计算机科学及编程导论课程节选

So let's take the case of acetylene where we have two carbon atoms that are going to be triple bonded to each other, each are bonded to a carbon and then to one hydrogen.

让我们来看一看乙炔的例子,我们有两个碳原子,成三键，每个碳和一个碳一个氢相连。

麻省理工公开课 - 化学原理课程节选