[化] 亚乙基二氯; 1,1-二氯乙烷

[单词解析速记].JV447.(Yoke.and.Vapid)

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:2018-12-04 / 阅读(81) / 评论(0)

单词解析速记

VOA慢速英语2014 科学家们寻找新的方法来对付蚊子

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发表于:2018-12-08 / 阅读(115) / 评论(0)

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常春藤解析英语

It's Not Easy Being a Kid!

It's Not Easy Being a Kid!－儿童英语故事三

发表于:2018-12-14 / 阅读(94) / 评论(0)

儿童英语故事三

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一起闲话英语-English Chitchat

[单词解析速记].JV517.(Vivid.and.Inane)

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单词解析速记

[单词解析速记].JV542.(Penchant.and.Intrepid)

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VOA常速英语2014--Promising Mosquito Repellent Announced 美科学家研发新一代驱蚊剂

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the Perseid meteor shower

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China reviews anti-dumping measures on Japanese chloroprene rubber

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BEIJING, Jan. 3 (Xinhua) -- A policy that requires users to use their real names when registering for Internet access has triggered heated discussion, with some for and some against it. On Dec. 28, China's top legislature passed rules on protecting o

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On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上，公司的历史没有提及铅──也没有提

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万物简史

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By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

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万物简史

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Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(86) / 评论(0)

万物简史

10 Benefits of Rising Early, and How to Do It

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学英语单词

amphixylar collateral vascular bundle

anaemotrophy

atlas pistachia (pistacia atlantica)

auditory association area

automobile horn

besoins

best beat method