对硝基苯肼

1992年巴塞罗那奥运会歌曲《Amigos para siempre》

1992年第25届巴塞罗那奥运会闭幕歌曲《Amigos para siempre》《永远的朋友》是1992年巴塞罗那奥运会的主题歌。 amigos para siempre在西班牙语中是一生的朋友之意。参与制作这首巴塞罗奥运会那奥运

发表于:2018-11-29 / 阅读(229) / 评论(0)

奥运歌曲

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(108) / 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(91) / 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(55) / 评论(0)

初学者听力文摘精选

英语听力文摘 English Digest 600、科学家如何预测火山喷发？

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

发表于:2018-12-31 / 阅读(51) / 评论(0)

英语听力文摘 English Digest

体育词汇—滑翔伞比赛名 paraglider

发表于:2019-01-03 / 阅读(103) / 评论(0)

奥运英语

英文影视原声《少年派的奇幻漂流》主题曲 Paradise

Oo-oo-oo, oo-oo-oo, oo-oo-oo Oo-oo-oo, oo-oo-oo, oo-oo-oo When she was just a girl She expected the world But it flew away from her reach So she ran away in her sleep And dreamed of para-para-paradise Para-para-paradise Para-para-paradise Every time

发表于:2019-01-03 / 阅读(86) / 评论(0)

电影英文歌曲

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(317) / 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(312) / 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(97) / 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(95) / 评论(0)

Scientific American(十一)月

英语热词：“北京瘫”英语怎么说？

【葛式/春生式瘫坐】可以造个新词，比如para-lies，是paralyze(瘫)+lie，强调瘫和躺。或者para-sit，是parasite(寄生虫/懒汉)+sit，强调懒和废。例句：The picture of Jenerys Spring-Born of House Gedaye parasittin

发表于:2019-01-08 / 阅读(90) / 评论(0)

英文语法词汇

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(167) / 评论(0)

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高中英语人教版高三年级上09

[00:30.30]lesson 33 [00:48.14]1.What is the matter with Sharon? [00:53.47]She has hurt here shoulder. [00:58.93]2.what does the doctor tell her to do? [01:06.87]The doctor tells her to use a special treatment. [01:14.24]Language points: [01:19.88]1.L

发表于:2019-01-10 / 阅读(246) / 评论(0)

高中英语人教版高三

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(101) / 评论(0)

健康与经济

运动休闲—滑翔伞运动的历史　Paragliding

从古至今，人类在不停地探索能够象鸟儿一样自由自在飞翔的方法，随着科技的进步和现代航空技术的发展,人类发明了各种飞行工具，滑翔伞就是其中一

发表于:2019-02-01 / 阅读(192) / 评论(0)

奥运英语

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(208) / 评论(0)

英语新闻

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(84) / 评论(0)

听播客学英语

雅思单边大作文常用套句

Sample Question: Many people consider the death penalty to be an appropriate punishment in certain cases, whilst others think that there is never a reason for it to be used. What is your opinion on the issue? Give reasons for your answers. Features:

发表于:2019-02-26 / 阅读(90) / 评论(0)

雅思英语

逐步搞定托福独立写作高分并不难

很多同学对于托福独立写作的段落发展和结构安排非常头疼，学霸们可能会觉得写作其实并不复杂，但是非学霸们呢？经常拿到一道题抓耳挠腮不知如何下手，写着写着又觉得没话可说了。其

发表于:2019-03-02 / 阅读(104) / 评论(0)

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