单词：
单词： 相关文章
Even as the first day of autumn hovers over American shores, traces of summer linger. So, every year at this time, nearly half a million people step forward to help, to volunteer in an international coastal cleanup and the results can be staggering.
国家地理2008年
So, every year at this time, nearly half a million people step forward to help, to volunteer in an international coastal cleanup and the results can be staggering. In the last couple of years alone, an average of 8 million pounds of trash is collecte
自然百科2008年
今天我们要学的词是 cleanup. Cleanup名词，意思是清理。The Environmental Protection Agency released a list of 21 sites that need immediate and intense cleanup. 美国环境保护署公布了一份名单，名单上的21个地点需要立
英语单词荟萃
You Gotta Have Hearts 你必须得有的心脏 When it comes to weird sea-creatures, octopus es are hard to beat. Theres the well-known ink-squirting defense system, the bird-like beak , and the eight tentacle s with their double rows of sucker s . W
英语听力文摘 English Digest
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
英语单词荟萃
今天我们要学的词是 circulation. Circulation 有发行量的意思。美国皮尤研究中心的报告说，报纸虽然不会马上消失，但是，The declines in daily newspaper circulation are unprecedented. 日报发行量的降低是闻所
英语单词荟萃