单词:bactericidin
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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
A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d
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RACHEL MARTIN, HOST: We now have the story of a really large medical bill. It's a surprisingly common sort of charge, which is why we're examining it. Steve Inskeep spoke with Dr. Elisabeth Rosenthal of Kaiser Health News about the story of a $17,000
Before you next flush the toilet, consider this: Scientists in Singapore have developed battery powered by(用…推动的) urine(尿). 下次冲厕所之前,请不要忘记下面的介绍:新
74 疯牛病及其最新的检验方法 DATE=7-24-01 TITLE=SCIENCE IN THE NEWS #2134 - Mad Cow Disease BYLINE=Nancy Steinbach, George Grow VOICE ONE: This is Sarah Long. VOICE TWO: And this is Steve E