[网络] 亚硝醯胺；亚硝基醯胺

VOA常速英语2017--美国财政部指定委内瑞拉副总统为毒枭

The U.S. Department of the Treasury's Office of Foreign Assets Control, or OFAC, has designated Venezuelan national Tareck Zaidan El Aissami Maddah as a Specially Designated Narcotics Trafficker under the Foreign Narcotics Kingpin Designation Act. 美国

发表于:2018-12-08 / 阅读(163) / 评论(0)

VOA标准英语2017年(三月)

VOA常速英语2013--游牧社区在改变中寻求生存之道

Pastoral Societies Seek Place Amid Change 游牧社区在改变中寻求生存之道 KISERIAN, KENYA Pastoralist communities around the world often live at the margins of modern day states, but pastoralist leaders maintain that their traditional live

发表于:2018-12-16 / 阅读(92) / 评论(0)

VOA标准英语2014年(一月)

VOA慢速英语--委内瑞拉副总统驳斥了美国的制裁

The United States is accusing a top Venezuelan official of being a major international drug trafficker. The Trump administration has announced sanctions against Vice President Tareck El Aissami for his reported involvement in cocaine shipments from V

发表于:2019-01-02 / 阅读(104) / 评论(0)

2017年VOA慢速英语(二)月

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(372) / 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(370) / 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(225) / 评论(0)

英语对接游戏

夫妻间理想年龄差距该是多少

一般而言，男人会与比自己小的女人结婚，女人也乐于嫁给比自己大的男人 Men marry younger women and women prefer to marry older men, in general. But is it culture, genetics or the environment that drives such a choiceand i

发表于:2019-01-21 / 阅读(133) / 评论(0)

阅读空间

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(158) / 评论(0)

健康与经济

2007年VOA标准英语-US Lawmakers Examine Plight of Iraqi Refugees

By Deborah Tate Capitol Hill 17 January 2007 watch Deborah Block's report Millions of Iraqis have been displaced by the sectarian violence wracking their country, and many have sought refuge in neighboring countries - severely straining those govern

发表于:2019-01-31 / 阅读(144) / 评论(0)

2007年VOA标准英语（一月）

Finnish Veteren soccer defender Hyypiae to retire

BERLIN, May 2 (Xinhua) -- Finnish(芬兰) soccer veteran defender Sami Hyypiae is going to quit his active career after the season 2010/2011 at his current club Leverkusen, aiming to start a professional coach schooling, Hyypiae announced on Monday.

发表于:2019-02-08 / 阅读(114) / 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(128) / 评论(0)

听播客学英语

环球英语 — 407：The Future of the Sami

Voice 1 Hello, Im Ruby Jones. Voice 2 And Im Mike Procter. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A strong, cold wind

发表于:2019-02-19 / 阅读(134) / 评论(0)

环球英语 Spotlight

《荒野求生》之跟着贝尔去冒险第4期:蛮荒之地

Hang on.These are crowberries here, look.Oh,these are reindeer dropings. 等等看这里也长有岩高兰浆果这有驯鹿的粪便 Look, see, look.Masses of it. This look pretty fresh.Look, this is reindeer track. 你们看一大堆还挺新鲜

发表于:2019-02-21 / 阅读(105) / 评论(0)

荒野求生

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bias meter

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