In a sense, he wasn't testing our chemical knowledge - he was testing our ability to stuff lots of peculiar facts into our head, to cram for weeks for a curved exam.

从某种意义上说，他不是要考我们的化学知识-他要考的是，我们把一大堆特定的事情塞进大脑的能力，以及在考试前数周突击啃书本的能力。

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Oxford University researchers found that the ability to learn new moves is linked to the way the brain handles a chemical messenger.

牛津大学研究人员发现学习新动作的能力和大脑传递一化学信使的关系有关。

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It relied too much on the assumption of cheap oil and on farmers' ability to afford expensive pesticides and chemical fertilizers.

它过于依赖几个假设，即廉价的石油以及农民有能力负担昂贵的杀虫剂以及化肥费的价格。

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The cells slowly lose their ability to produce a chemical called dopamine.

VOA: special.2009.04.07

It is simply not possible today to prevent countries with modern commercial chemical industries from also having thereby the ability to produce chemical weapons.

CENTERFORSECURITYPOLICY: Center for Security Policy | Submitted Testimony Of Frank J. Gaffney, Jr. Before A Joint Hearing Of The Senate Governmental Affairs Committee And The Permanent Subcommittee On Investigations

Should such a treaty be concluded, this country will assuredly lose its ability to retaliate in kind against chemical attack.

CENTERFORSECURITYPOLICY: Center for Security Policy | Chemical Weapons Arms Control: Formula For Disaster For US Security

U.S. Defense Secretary William Cohen said today the the United States has "a long way to go" in its ability to respond to the threat posed by chemical and biological terrorism.

CNN: AllPolitics - Cohen On Chemical, Biological Terrorism