[网络] 硝酸杆菌属

词型变化：名词复数形式 : genus nitrobacters

SCIENCE IN THE NEWS - Reforms at NIH / Tobacco Smoke a Dange

SCIENCE IN THE NEWS - Reforms at NIH / Tobacco Smoke a Danger to Children / A New Way to Add Iron to the Diet By Cynthia Kirk and Jill Moss Broadcast: Tuesday, February 15, 2005 VOICE ONE: This is SCI

发表于:2018-12-07 / 阅读(146) / 评论(0)

科技之光

VOA慢速英语2010年-Development Report - On World No Tobac

This is the VOA Special English Development Report. World No Tobacco Day is celebrated each thirty-first of May. The observance is meant to bring attention to the growing use of tobacco and its deadly effects. The World Health Assembly established th

发表于:2018-12-07 / 阅读(125) / 评论(0)

2010年VOA慢速英语(五)月

事实：怎样命名一只章鱼-How To Name An Octopus

Pre-Listening Vocabulary binomial nomenclature: a two-part system for naming species (e.g., Panthera tigris) genus: a subdivision of a family of organisms (e.g., Panthera is the genus for tigers, lions and leopards, and a subdivision of the Felidae f

发表于:2018-12-19 / 阅读(194) / 评论(0)

Facts-事实

国家地理-2008-06-21 China's Amazing Flowers 繁花似锦的中国

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

发表于:2018-12-30 / 阅读(237) / 评论(0)

国家地理2008年

SCIENCE IN THE NEWS - International Treaty on Tobacco Contro

SCIENCE IN THE NEWS - International Treaty on Tobacco Control / Research Projects on Glaucoma By Broadcast: Tuesday, March 08, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special Englis

发表于:2019-01-02 / 阅读(171) / 评论(0)

科技之光

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(410) / 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(413) / 评论(0)

麻省理工学院公开课：单变量微积分

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(260) / 评论(0)

英语对接游戏

VOA常速英语2007年-Japan Backs Down from Hunting Humpbacks

By Heda Bayron Hong Kong 21 December 2007 Japan has backed down from a highly controversial plan to hunt endangered humpback whales off Antarctica, after fierce criticism by Australia. The Japanese whaling fleet, however, still plans to hunt almost 1

发表于:2019-01-09 / 阅读(147) / 评论(0)

VOA常速英语2007年（十二月）

VOA慢速英语2010年-THIS IS AMERICA - The Vampires Are Bac

Welcome to THIS IS AMERICA in VOA Special English. Im Doug Johnson. VOICE TWO: And Im Barbara Klein. This week on our program, we take you to the summer movies. This year's crop includes vampires, talking toys, an Iron Man and, of course, love. (MUSI

发表于:2019-01-11 / 阅读(175) / 评论(0)

2010年VOA慢速英语(六)月

美国国家公共电台 NPR Meet Voice Of Baceprot, The All-Girl Metal Band Making Waves In Indonesia

RACHEL MARTIN, HOST: And now some words you don't often hear together - all-girl, teenage, Indonesian metal band. NPR's Ashley Westerman has this profile. ASHLEY WESTERMAN, BYLINE: The band's called Voice of Baceprot. Baceprot means noisy in the girl

发表于:2019-01-16 / 阅读(156) / 评论(0)

2017年NPR美国国家公共电台8月

英语听书《海底两万里》第68期第6章开足马力(10)

While I was observing this phenomenal creature, two jets of steam and water sprang from its blowholes and rose to an altitude of forty meters, 当我观察这只奇怪动物的时候，两道水和汽从它的鼻孔吐出来，直喷到叫十米的高度

发表于:2019-01-28 / 阅读(184) / 评论(0)

《海底两万里》中英双语有声读物

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(194) / 评论(0)

健康与经济

老友记第五季 08 The One with the Thanksgiving Flashbac

The One With All The Thanksgivings 本集简介： After Thanksgiving dinner at Monica's, the gang tells stories about their worst Thanksgivings ever. In a series of flashbacks, we see Chandler learning of his parent's divorce (1978); Phoebe losing an

发表于:2019-02-04 / 阅读(161) / 评论(0)

老友记(六人行)

英语听书《海底两万里》第311期第23章珊瑚王国(8)

The light from our glass coils produced magical effects at times, lingering on the wrinkled roughness of some natural arch, 我们的蛇形玻璃管中的光学，照在这些天然的凹凸不平的拱形建筑物上面， or some overhang suspended

发表于:2019-02-17 / 阅读(226) / 评论(0)

《海底两万里》中英双语有声读物

英语听书《海底两万里》第161期第11章诺第留斯号(12)

In the first group: organ-pipe coral, gorgonian coral arranged into fan shapes, soft sponges from Syria, isis coral from the Molucca Islands, sea-pen coral, wonderful coral of the genus Virgularia from the waters of Norway, various coral of the genus

发表于:2019-02-17 / 阅读(207) / 评论(0)

《海底两万里》中英双语有声读物

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(148) / 评论(0)

听播客学英语

英语听书《海底两万里》第197期第14章黑潮暖流(11)

A triggerfish, I said. 是一条箭鱼。我于是说了。 It's a Chinese triggerfish, Ned Land replied. 尼德兰回答：是一条中国箭鱼。 Genus Balistes, family Scleroderma, order Plectognatha, Conseil muttered. 康塞尔于是低声说：箭

发表于:2019-02-25 / 阅读(307) / 评论(0)

《海底两万里》中英双语有声读物

英语听书《海底两万里》第222期第17章海底森林(3)

There I saw again, but not yet pressed and dried like the Nautilus's specimens, some peacock's tails spread open like fans to stir up a cooling breeze, scarlet rosetangle, 我在这里又看到的，不是像在诺第留斯号船上风干的标本，而

发表于:2019-02-25 / 阅读(223) / 评论(0)

《海底两万里》中英双语有声读物

万物简史第522期:丰富多彩的生命(18)

At intervals it hands down decrees, declaring that Zauschneria californica (a common plant in rock gardens) 它不时下达命令，宣布从今以后加州倒挂金钟（一种普通的假山庭园植物） is to be known henceforth as Epilobium can

发表于:2019-02-26 / 阅读(242) / 评论(0)

万物简史

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