"One of the absolutely key, most important variables as to whether or not a forest survives and continues is whether local people monitor each other and its use.

VOA: special.2009.10.16

This is true even of seemingly identical signs, because each has its use value and is only intelligible as that which it exists to mean in a certain context.

看着相同的符号也是如此，因为每一个符号都有自己的价值,只有当它出现在某一语境中才能被理解。

耶鲁公开课 - 文学理论导论课程节选

You can also turn this on its face a little bit and use this to ask a question.

你也可以对这个句型稍微做一下变形，用作疑问句。

It seems 课堂 - SpeakingMax英语口语达人

The government promised last month to end its use of heavy weapons.

VOA: special.2009.05.16

And its use in radiocarbon dating.

它使用于放射性碳年代测定法。

麻省理工公开课 - 固态化学导论课程节选

Its use started almost two-hundred years ago in New York City.

VOA: special.2009.05.17

If you blindly use it beyond its validity, you will get results which don't make any sense.

如果超出适用范围,盲目使用,你得到的结果就毫无意义

耶鲁公开课 - 基础物理课程节选

And,they hope to ban its use by two thousand ten.

VOA: special.2009.06.23

We're going to come back and talk about the action potential a little bit more when we talk about how the heart works, because the heart when its contracting, the muscle cells also use action potentials to initiate contraction.

我们讲心脏工作原理时,会回头再多讨论一点动作电位,因为心脏收缩时,肌肉细胞也利用动作电位来启动收缩

耶鲁公开课 - 生物医学工程探索课程节选

Doctor Selanikio says there are no barriers to its use.

VOA: special.2010.05.03

He is the secret head of a large illegal gambling ring which use the computer for its operations.

他是一个秘密的，大的，非法的赌博团伙的头,那个团伙用这个电脑来操作。

哈佛公开课 - 计算机科学课程节选

The open nature of the Internet and its use by governments and business make it a rich target for an enemy attacks.

VOA: standard.2009.08.11

So what happens is, Freud described a lot of normal life in terms of different ways we use to keep that horrible stuff from the id making its way to consciousness.

弗洛伊德描述了，很多我们会在日常生活中使用的方法,我们用这些方法,来阻止来自本我的原始欲望,进入到意识之中。

耶鲁公开课 - 心理学导论课程节选

you have to assume they are in," He says the more advanced a country is in its use of computers and the Internet, the more vulnerable it may be.

VOA: standard.2009.08.11

Often the company would use mules instead of horses to pull its stagecoaches because the Indians had no interest in mules.

VOA: special.2010.04.26

The American Le Mans Series became the first racing event to use the protocols in its Green Challenge competition.

VOA: special.2009.11.03

Mister Jungen has said that the sports industry makes free use of American Indian words and images to describe its teams.

VOA: special.2009.11.13

This year, the Center for Plain Language is holding its first contest for best and worst language use.

VOA: special.2010.04.30

The United States government said it will use "all elements" of its national power to deal with Iran.

VOA: special.2009.02.07

The observance is meant to bring attention to the growing use of tobacco and its deadly effects.

VOA: special.2010.05.31

The Marine Corps has banned the use of sites like Facebook, MySpace and Twitter on its computers.

VOA: special.2009.09.14

She said the military itself, examining its experiences in Iraq and Afghanistan, has come to recognize the limits of the use of force.

VOA: special.2010.05.29

For example,the White House praised the city's use of environmentally friendly technology in its economic development.

VOA: special.2009.07.13

We asked Phil Sumrall how NASA expects to use Ares in its space exploration plans.

VOA: special.2009.12.30

The company has also started reusing materials and reducing the fuel use of its trucks.

VOA: special.2009.07.17

It says that, with the use of insecticides, better testing and drug treatments, the world could reach its goal of zero malaria deaths by twenty fifteen.

VOA: special.2010.04.20

He worried about its future. Roosevelt wrote: "I recognize the right and duty of this generation to develop and use the natural riches of our land.

VOA: special.2010.08.12

One of its goals was to study the use of art in industry.

VOA: special.2009.05.10

For example, as China sought food security, its policies increased fertilizer use.

VOA: special.2009.07.28

He proposed that no more slaves be sold in the District of Columbia for use outside the federal district, but also proposed that slavery should not be ended in the district unless its citizens and those of Maryland approved.

VOA: special.2009.03.19