单词：triphenylmethane dyestuffs
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Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
万物简史
Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic
2016年Scientific American(九)月
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
初学者听力文摘精选
[00:00.00]UNIT 10 Lesson 37 [00:05.78]1.1 Tracy,you weren't at school yesterday. [00:10.99]Where were you? [00:12.72]I was at home. [00:14.53]I was sick. [00:16.17]How was school? [00:17.75]It was okay,I guess. [00:20.94]The math test wasn't too bad,
北师大版初中英语七年级下
A, ask the American friend about the Chinese food. Hi, Tony, how would you like these Chinese food, tofu and steamed fish? B, you find the food tastes strange. Well, it tastessort of strange. We dont have stuffs cooked like this. A, ask what the Amer
新视野大学英语：视听说教程 1
its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
英语听力文摘 English Digest
A clearance sale 跳楼大拍卖 There is a clearance sale in the sogo department store 搜狗百货公司正在举行跳楼大拍卖 Tons of people strolled into the clothes department to grab all the stuffs on sale 一堆人冲进服饰柜抢大拍卖
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在美国 get 这个动词用的很多, 可惜一般台湾的学生对于这个动词所知有限, 大概只知道 get up, get off 这几个简单的用法, 其实从 get 变化出来的动词何其繁多
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This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Scientific American(四)月
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
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Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm
VOA标准英语2008年（八月）
DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little
农业与发展
VIENNA, May 9 (Xinhua) -- The Austrian Olympic Committee (OeOC) nominated a further 13 athletes for its 2012 London Olympic Games team on Wednesday, bringing the total to 37 athletes across 12 sporting disciplines. OeOC President Karl Stoss said he p
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WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
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An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat
英闻天下
Our next guest is one of the stars of the hit CBS show Criminal minds. 我们的下一位嘉宾 是CBS电视台热播剧犯罪心理的主演明星 Take a look.We're going on vacation tomorrow. 请看大屏幕 明天我们就可以去休假了 I'll b
艾伦脱口秀
Listen to the statements and check the place where they think it is a better place to stay. 1.Convenience is very important to me. I rather live near by a supermarket than a farm. 2.Noise and pollution are the factors why I consider staying away from
英语听力练习题
Congratulations about year anniversary since you took over the CBS. Exactly right. Just Evening News? CBS Evening News. Absolutely, thank you very much. Thank you! Its nice to have an audience. You dont know with audience. No, I dont know. I just had
访谈录2012年
So we just give Sherrie a cheque with 100 thousand dollars and she said this gonna help so much 我们刚给了Sherrie一张10万美元的支票 她说这可帮了大忙 because I just got a bill for 4 thousand dollars for toilet paper 她刚收到买手
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