A: What am I supposed to do with this plastic cup? B: That cup is for a urine sample. A: How, exactly, does this work? B: This particular test calls for you to urinate into the cup after you have urinated a little into the toilet. A: When I finish, w

发表于:2018-12-02 / 阅读(68) / 评论(0) 分类 英语情景对话-健康

October, the 31st, All Hallows' Eve, I, Cory Matthews, leave this journal so that those who knew me can understand my terrible fate. For tonight, at precisely 9 o'clock, eight Central, when the moon shines full, I will become the most terrifying of a

发表于:2018-12-07 / 阅读(54) / 评论(0) 分类 听美剧学英语-《淘小子看世界》

on Friday Eric, what you're about to see may shock you. Then put a towel on. OK, look! Oh, my god! I don't see anything at all! Don't toy with me, it's all over me. I've got hair, huge amounts. Yeah, you're right, where? I've got hair on my ch

发表于:2018-12-07 / 阅读(54) / 评论(0) 分类 听美剧学英语-《淘小子看世界》

Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i

发表于:2018-12-08 / 阅读(42) / 评论(0) 分类 VOA标准英语2012年(九月)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

发表于:2019-01-08 / 阅读(49) / 评论(0) 分类 Scientific American(四)月

RACHEL MARTIN, HOST: Senator Cory Booker is the latest Democrat to make it official. (SOUNDBITE OF POLITICAL AD, TOGETHER, AMERICA, WE WILL RISE) CORY BOOKER: Together we will channel our common pain back into our common purpose. Together, America, w

发表于:2019-03-02 / 阅读(85) / 评论(0) 分类 2019年NPR美国国家公共电台2月