[医] 臭氧乙醚(乙醚、过氧化氢、醇合剂)

Earth and Sky:Global Warming and Ozone 全球变暖和臭氧

Global Warming and Ozone 全球变暖和臭氧 Could the coming century bring a new threat to the ozone layer? Discover one scientist's model of the effect of global warming and greenhouse gases on ozone -- on today's Earth and Sky. DB: This is Earth and S

发表于:2019-01-02 / 阅读(117) / 评论(0)

(科普英语)Earth and Sky

War on the roads

Alice: Hello and welcome to 6 Minute English from BBC Learning English: well be talking about a story in the news and learning some vocabulary along the way. Im Alice and joining me today is Rob. Hi Rob. Rob: Hi there Alice. Alice: Now, Rob are you a

发表于:2019-01-07 / 阅读(57) / 评论(0)

六分钟英语

Better Together 我们一起,日子会更好

英文歌词: There's no combination of words I could put on the back of a postcard No song that I could sing But I can try for your heart, our dreams, and they are made out of real things like a shoebox of photographs with sepia-toned loving Love is th

发表于:2019-01-10 / 阅读(118) / 评论(0)

音乐咖啡厅

纯正英语一分钟-ozone layer

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(69) / 评论(0)

纯正英语一分钟

【一起听英语】马路上的战争

马路上的车越来越多，在车多的马路上，自行车道甚至会被挤占，这是真的吗？ Alice: Hello and welcome to 6 Minute English from BBC Learning English: well be talking about a story in the news and learning some vocabulary a

发表于:2019-01-23 / 阅读(98) / 评论(0)

一起听英语

(1)Springtime Ozone Loss

25 大气层中臭氧正日渐稀薄 DATE=3-21-01 TITLE=SCIENCE REPORT - (1)Springtime Ozone Loss BYLINE=George Grow (Start at 1'00

发表于:2019-01-30 / 阅读(254) / 评论(0)

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学英语单词

acute alcoholic hallucinosis

administration program

aerospace plane

Algasovo

boulder dam (hoover dam)

box social

bulb urethrae