单词：hourgrass cell
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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
Yesterday, all my troubles seemed so far away Now it looks as though they're here to stay Oh, I believe in yesterday. Suddenly, There's a shadow hanging over me. I'm not half the man I used to be, Oh,
奥斯卡电影名曲盛典B
This is Winglish, Mr.kim speaking! 这里是文各力士，敝姓金。 Who's caling,please? 您是哪位？ Who's this? 您是谁？ To whom do you want to talk? 帮您转接哪位？ Hold,please. 请稍等 Don't hang up. 请稍等 Just a moment,ple
美国人这样说英语
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
趣味英语
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻