[网络] 二硝基苯胼衍生化

字源大挪移 Prefix - 表示数字的字首 43 di-,dicho-

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(211) / 评论(0)

英文魔法师字源大挪移

万物简史第478期:生命在前进(20)

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

发表于:2018-12-18 / 阅读(173) / 评论(0)

万物简史

SSS 2011-03-29

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

发表于:2018-12-24 / 阅读(150) / 评论(0)

Scientific American(三)月

英文书摘精选有趣的事实,短嘴鳄可以再长牙齿

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

发表于:2018-12-28 / 阅读(131) / 评论(0)

初学者听力文摘精选

英语听书《海底两万里》第509期第31章章鱼(16)

What rage then drove us against these monsters! 于是我们对这些怪物愤怒至极！ We lost all self-control. 我们再也忍无可忍。 Ten or twelve devilfish had overrun the Nautilus's platform and sides. 十几条章鱼侵入了鹦鹉螺号

发表于:2018-12-31 / 阅读(124) / 评论(0)

《海底两万里》中英双语有声读物

麻省理工学院公开课：单变量微积分03：求导四则运算及三角函数导数

分集介绍：导数，商数，正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(402) / 评论(0)

麻省理工学院公开课：单变量微积分

麻省理工学院公开课：单变量微积分01：导数和变化率

分集介绍：导数，斜率，速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(403) / 评论(0)

麻省理工学院公开课：单变量微积分

SSS 2008-04-17

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

发表于:2019-01-08 / 阅读(167) / 评论(0)

Scientific American(四)月

SSS 2009-11-13

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

发表于:2019-01-08 / 阅读(177) / 评论(0)

Scientific American(十一)月

SSS 2011-02-01

This is Scientific Americans 60-Second Science. Im John Matson, Got a minute? Imagine a pinball machine on multi-ball modeonly the balls are the size of planets. The early solar system was such a rough-and-tumble place. That chaotic environment produ

发表于:2019-01-08 / 阅读(141) / 评论(0)

Scientific American(二)月

英语游戏:愚蠢的香肠

[全屏观看] 点击右键- 另存为可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏，它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(253) / 评论(0)

英语对接游戏

VOA慢速英语-SCIENCE IN THE NEWS - 'Dead Zones' Expand in Coastal

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about two studies. Both involve the world's oceans. One study examined the health of coastal waters for fish an

发表于:2019-01-11 / 阅读(163) / 评论(0)

VOA慢速英语2008年（九）月

看《美国队长3》学地道口语：你升官了

【内容简介】斯蒂夫罗杰斯是出生于经济大萧条时期的一个家境贫寒的脆弱青年。因为看到纳粹在欧洲肆虐侵略的新闻而想入伍参军。但因为体弱多病被拒绝了。无意中得知了斯蒂夫罗杰斯真

发表于:2019-01-21 / 阅读(179) / 评论(0)

英语口语

HEALTH REPORT - New Heart Drug Shows Promise in African Amer

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(186) / 评论(0)

健康与经济

未来冰箱洗衣机可“交谈”

A fridge that talks to your washing machine and a television that instructs your dishwasher. It's all possible at CeBIT, the world's top high-tech fair。 But the question is: what's the point? Well, for example, you could be sitting on your sofa in

发表于:2019-02-04 / 阅读(151) / 评论(0)

阅读空间

高智能家电：冰箱洗衣机可“对话”

A fridge that talks to your washing machine and a television that instructs your dishwasher. It's all possible at CeBIT, the world's top high-tech fair. 冰箱和洗衣机交谈、电视向洗碗机下令在世界顶级高科技展会德国汉诺威通

发表于:2019-02-04 / 阅读(213) / 评论(0)

实用英语

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

发表于:2019-02-04 / 阅读(308) / 评论(0)

英语新闻

四级阅读理解判断、归纳推理

阅读理解除了要求正确理解事实细节的能力外，还经常需要考生根据一定上下文对某些词汇的意义所读材料理解文章隐含的意义和深层次的含义、归纳文章主题思想、通过概括得出结论、综合

发表于:2019-02-09 / 阅读(167) / 评论(0)

大学四六级阅读

听播客学英语 139 多丽丝·莱辛

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(144) / 评论(0)

听播客学英语

英语听力—环球英语 1088 Blue Zones

Voice 1 Hello and welcome to Spotlight. Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 It feels like jumping into

发表于:2019-03-04 / 阅读(218) / 评论(0)

环球英语 Spotlight

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学英语单词

'tudes

amount of existing fixed assets which are to be scrapped