President Pierce found it difficult to control them.

VOA: special.2009.04.16

But he can control them there.

他想做的就是想把他们牢牢地钳制住

耶鲁公开课 - 欧洲文明课程节选

And then he had them take a comparative and control group an intelligence test and a memory test.

然后他对比他们和对照组的,智力和记忆力测试结果。

哈佛公开课 - 幸福课课程节选

He wanted to make sure parents knew they should have control over their children and expect cooperation from them.

VOA: special.2009.03.15

There's very little control over who writes these diet books or what goes into them.

对减肥书的作者也没有什么资格限制,对其内容也没有限制

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

answered Aylmer,surprised. The mind is in a sad state when sleep cannot control its ghosts and allows them to break free with their secrets.

VOA: special.2009.09.26

We'll make them the control group this time.

这次我们让他们作为控制小组。

耶鲁公开课 - 心理学导论课程节选

He says the program can help them take control, make changes and imagine a future.

VOA: special.2009.04.27

One group of children was a control group; the second group was taught to think back to experience that make them laugh or smile.

一群小孩组成对照组;,有人教第二组小孩回想,让他们大笑或微笑的经历。

哈佛公开课 - 幸福课课程节选

Some of them - especially Henry Clay and Daniel Webster - believed they could continue to control him, even after Harrison moved into the White House.

VOA: special.2009.01.22

And that's half the battle with education. Give them control, make them feel confident and enjoy their learning and you'll see them start to improve and embrace it."

VOA: special.2011.04.21

The United States Centers for Disease Control had sent them to help.

VOA: special.2009.02.23

The United States will continue to help them in that effort as we responsibly end this war and support the Iraqi people as they take control of their future."

VOA: special.2010.03.13

This victory gave them control of the Mississippi River.

VOA: special.2009.11.19

Now,many leaders agree it is time for them to start backing off from stimulus spending, and get their debts and deficits under control.

VOA: standard.2010.06.05

If someone is detained because they appear ill, a medical expert from the Centers for Disease Control and Prevention comes to the scene to check them and, if necessary, send them back over the border.

VOA: standard.2009.04.30