单词：loss of sodium accident
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By Melinda Smith Washington 12 March 2008 For some time now we have been telling you about the global trend toward obesity, even in low and middle-income countries. The World Health Organization says billions of people are getting fat. By 2015, the W
VOA标准英语2008年（三月）
Intermediate filaments - unlike microfilaments and microtubules, they are verystable. Instead of being stacked proteins, as in actin, intermediate filaments are built of interlocking proteins. A dense
医务英语
This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. The type of accident that is occurring in Japan is known as the station blackout: loss of off-site AC powerpower lines are downand then a subsequent fail
Scientific American(三)月
AS IT IS 2015-03-11 IATA: 2014 Is the Safest Year Ever for Airlines 国际航空运输协会称2014年是最安全的航空年 The International Air Transport Association is calling 2014 the safest year ever for commercial aviation. The association s
2015年VOA慢速英语(三)月
13. We should consider accident risk above all else. 我们应该首先考虑意外险。 还能这样说： The first thing we should consider is accident risk. Accident risk is the most important thing we should consider. 谚语： Love is an endle
情景会话口袋书人际篇
Bill Clinton is visiting a school. In one class, he asks the students if anyone can give him an example of a tragedy. One little boy stands up and offers, If my best friend who lives next door was playing in the street when a car came along and kille
趣味英语