[基医] 生物医学气体色谱法

【英语趣味课堂】他想成为一名医生-He Wants to be a Doctor

Todd: So hey Josh, how you doing? Josh: Im good. How are you? Todd: Oh, doing pretty good. Josh, how old are you? Josh: I am 17. Todd: 17, so you're kind of at the start of your life. Josh: Yeah, I guess you could say that. Todd: Thats pretty awesome

发表于:2018-12-29 / 阅读(30) / 评论(0)

英语趣味课堂

英文笑话：Problem with gas放屁的问题

A little old lady goes to the doctor ... and says,

发表于:2019-01-02 / 阅读(72) / 评论(0)

英文笑话

Gas Shortage Intensifies in Mexico

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(77) / 评论(0)

VOA2003（上）-国际时讯

SSS 2011-08-12

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(69) / 评论(0)

Scientific American(八)月

早安英文第196期:开学季

英语学习笔记： graduation n. 毕业；毕业典礼 farewell int.再会；别了 ceremony n. 仪式；礼节；典礼 academic adj.学院的；学术的 gown n. 长袍；长外衣 tassel n. 流苏 recruitment n.征募新兵；补充；招聘 bi

发表于:2019-01-24 / 阅读(37) / 评论(0)

早安英文

VOA常速英语2008年-Israel to Redistribute Gas Masks Amid Fears of

By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide

发表于:2019-01-30 / 阅读(74) / 评论(0)

VOA常速英语2008年（四月）

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学英语单词

AC power flow

acceptance of an order at below-cost price