单词：clipper stem
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Review Exercise E: Two- and Three-Word Set Phrases CD 3 Track63 You should be pretty familiar with the idea of a set phrase by now. The next step is when you havemore components that link together to form a new thinga three-word set phrase. Combine t
标准美语发音的13个秘诀 CD3
Clip:剪、夹、快的绕口令 先提个醒儿，若您现在思维不甚敏捷，千万别看下面这句话，否则，您一定要说我落井下石，把本就不大清醒的大脑折腾的更不知东西。不相信？那就试一试Please use
英语口语
Two fascinating and historic boats sit by the river's edge. They each represent in their own very different way, the special relationship that the people of Britain have with the sea. The Cutty Sark i
雾都漫步
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
英语单词荟萃