单词：hazard testing
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Improve Your English by Testing Yourself English learners can improve their ability to remember and use new words by testing themselves. This idea comes from Sarah Lynn, an educational consultant and teacher at Harvard University's Bridge Program. Sh
2016年VOA慢速英语(八)月
今天我们要学的词是hazard。 Hazard, 是危害，危险的意思。混合动力车虽然有利于环保，但是低速行驶时几乎没有声音，对盲人的安全构成威胁， Hybrid vehicles pose a safety hazard for the blind. 最近，有
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LONDON, April 11 (Xinhua) -- The Olympic Torch has passed rigorous testing to ensure even the worst of Britain's weather will not be able to put it out, the Evening Standard newspaper said Wednesday. Two prototypes withstood 50mph winds, extreme temp
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今天我们要学的词是hazard。 Hazard, 是危害，危险的意思。混合动力车虽然有利于环保，但是低速行驶时几乎没有声音，对盲人的安全构成威胁， Hybrid vehicles pose a safety hazard for the blind. 最近，有
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An independent panel of U.S. health experts is recommending that all Americans between the ages of 15 and 65 be routinely screened for HIV, the virus that causes AIDS. The HIV test would not be mandatory. But experts hope more widespread testing migh
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