单词：
单词： 相关文章
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou
Scientific American(六)月
World Bank President: Elimination of Poverty Possible World Bank President Jim Yong Kim says the problems of poverty, hunger and inequality are massive, urgent and a matter of survival for millions. We know that despite the dramatic successes of the
VOA标准英语2013年(四月)
Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own
VOA标准英语2013年(五月)
今天我们要学的词是heat。 大家都知道heat是高温的意思，那么不难想象，引伸一下，heat也可以理解为压力。还有两个多星期，美国2008年总统大选的初选就要拉开帷幕了。 Democratic leading candid
英语每日一词
And it's not like bacteria, where a little heat will eliminate the threat, because high temperatures won't break down the Mycotoxins. 而且这种霉菌不像细菌只要稍微加热一下就没有什么威胁性了，因为高温并不能消灭这种霉
留美老师带你每日说英文
By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD
2006年VOA标准英语（五月）