链霉素沙罗异烟踪,烟肼链霉素

美国国家公共电台 NPR Y La Bamba's Luz Elena Mendoza On Valuing One's Voice

Y La Bamba's Luz Elena Mendoza On Valuing One's Voice play pause stop mute unmute max volume 00:0002:38repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. (S

发表于:2018-12-17 / 阅读(44) / 评论(0)

2016年NPR美国国家公共电台9月

[单词解析速记].JV517.(Vivid.and.Inane)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

发表于:2018-12-30 / 阅读(40) / 评论(0)

单词解析速记

VOA标准英语2010年-Researchers Seek Genetic Clues to Dead

An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s

发表于:2019-01-13 / 阅读(85) / 评论(0)

VOA标准英语2010年(一月)

Eztalk美语【193】sick of being sick 受够了生病

Three days later Lily:Mom, I'm ready for school. Mom:Let me feel your forehead. I'm so glad it wasn't strep throat. Lily:I don't have a fever, and I'm ready for my test. Mom:But I'm not sure you're strong enough yet. Here's some seafood rice soup I m

发表于:2019-01-21 / 阅读(55) / 评论(0)

Eztalk美语会话

the Perseid meteor shower

77 流星雨成因探索 Date=8-2-01 Ttle=science report - the Perseid meteor shower Bline=Mario Ritter （Start at 59

发表于:2019-01-30 / 阅读(63) / 评论(0)

科技之光

A Midshipman

One of my fellow midshipmen at the U. S. Naval Academy was performing poorly in class and reported to his company officer for counseling., Your marks are deplorable! the officer scolded. Is there a problem-that has kept you from studies?No, sir, the

发表于:2019-02-03 / 阅读(62) / 评论(0)

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bag-type dust remover

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