单词：nitrosamide
单词：nitrosamide 相关文章
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
VOA标准英语2017年(三月)
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
VOA标准英语2014年(一月)
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
2017年VOA慢速英语(二)月
分集介绍：导数，商数，正弦和余弦 Derivatives.of.products.quotients.sine.cosine
麻省理工学院公开课：单变量微积分
分集介绍：导数，斜率，速度与变化率 Derivatives.slope.velocity.rate.of.change
麻省理工学院公开课：单变量微积分
[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
英语对接游戏
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
阅读空间
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
健康与经济
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
2007年VOA标准英语（一月）
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.
英语新闻
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
听播客学英语
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
环球英语 Spotlight
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
荒野求生