n. 多氯联苯污染
[网络] 多氯化联苯；多氯联二苯；多氯联苯类化合物

词型变化：名词复数形式 : polychlorinatedbiphenyls

冀教版高中英语选修模块8--Unit Three THE RISE OF BI

Unit Three THE RISE OF BIOENGINEERING 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:2018-12-13 / 阅读(224) / 评论(0)

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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

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万物简史

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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

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初学者听力文摘精选

字源大挪移 Prefix - 表示数字的字首 42 bi-

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(187) / 评论(0)

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1. bicentennial /ˈbaisenˈtenjəl/ -- two hundredth anniversary The bicentennial of George Washington's birth was celebrated in 1932. 乔治华盛顿200周年生日纪念于1932年举行。 2. semicircle /ˈsemɪˌsɜ:kəl/ -- half of a circle At th

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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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Kitty was a black cat with a white tail. Kitty lived in California. His owner was Kathy. Kathy loved Kitty. She fed Kitty the best food. She cleaned Kitty's litter box every day. She took Kitty to the vet every six months. Kitty slept in Kathy's bed.

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Researchers make sperm from stem cell in dish

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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Bielsa upbeat after first day at Athletic Club

MADRID, July 13 (Xinhua) -- New Athletic Bilbao coach Marcelo Bielsa on Wednesday took his first training session at the club and spoke to the press for the first time since his arrival. Bielsa took the helm at Athletic at the hand of new club Presid

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Angelina Jolie's directorial debut has reportedly come across a major road bump: She's been prohibited from filming in Bosnia. The movie is slated to tell the story of a couple who meet each other just as the Bosnian war begins in 1992 and has run in

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发表于:2019-02-09 / 阅读(157) / 评论(0)

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