单词：auxotrophisms
单词：auxotrophisms 相关文章
Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is
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单词解析速记
Grammar Girl here. Today's topic is What's with those people who talk weird? or regionalisms. Language is constantly changing, and a lot of people have asked me about how and why it happens. This isn't my area of expertise, but I've done a lot of rea
英语语法 Grammar Girl
Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is
英语趣味课堂
AMERICAN MOSAIC - Watergate, Nixon, 'Deep Throat': What Was That All About? By Nancy Steinbach and Caty Weaver Broadcast: Friday, June 17, 2005 (MUSIC) Welcome to AMERICAN MOSAIC, in VOA Special Engli
American Mosaic
Since the April 20 explosion and fire that sank the BP Deepwater Horizon off-shore oil rig, about 800,000 liters of crude oil a day have been spewing from the broken well into the Gulf of Mexico. The massive spill is threatening marine life, commerci
VOA标准英语2010年(五)月