单词：
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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
英语情景对话-健康
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
英语情景对话-健康
It Never Rains In Southern Claifornia Got on board a westbound seven forty seven Didn't think before deciding what to do Ooh, that talk of opportunities, TV breaks and movies Rang true, sure rang true
英语歌曲第五辑
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
农业与发展
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
阅读空间
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
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