单词：fluorodinitrobenzene
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U.S. commander for Iraq, Gen. Ray Odierno, speaks at a press conference at the U.S. embassy in the Green Zone of Baghdad, Iraq (File Photo) The commander of U.S. forces in Iraq says Iran is fueling instability in neighboring Iraq by funding and train
VOA标准英语2010年(八)月
The big room is air-conditioned. But it smells. Dead bodies are in metal drawers. The bodies have no clothes. The bodies are naked. A white sheet covers each dead body. The drawers slide in. The drawers slide out. A doctor works in the big room with
超级简单英语阅读
Grammar Girl here. Today, guest-writer Bonnie Trenga helps us understand modifiers that come at the beginning of a sentence. Bonnie says, As a guest-writer, I plan to talk about two kinds of troublesome modifiers that begin a sentence. Like many of y
英语语法 Grammar Girl
Grammar Girl here. I'm so glad to be back. Today's topic is wordiness. I've heard from a lot of you who have pet peeves about different wordy phrases, and it's a lot of fun to hear what gets under people's skin and why. Here's one example from Lara i
英语语法 Grammar Girl
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
By Rory Byrne Phnom Penh 18 April 2008 As in other developing countries from Egypt to Haiti, soaring inflation has recently emerged as a threat to Cambodia's hard won social stability. While wages have remained low, the price of rice and other staple
VOA常速英语2008年（四月）
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its true that if you eat a lot of whats fondly dubbed the stinking rose, others might notice a faint whiff of eau de garlic in your sweat. But even the
Scientific American(十一)月
This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr
Scientific American(八)月
[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
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MILAN, Jan. 12 (Xinhua) -- Pescara head coach Cristiano Bergodi said his side displayed our worst performance in my time here following their 2-0 loss to Inter Milan in the Italian league on Saturday. The Delfini, who had won three of the previous fo
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Women and children are commonly believed to be the main targets of human traffickers. But in Cambodia, scores of men have recounted stories of modern-day slavery on board Thai and Malaysian fishing boats. Manfred Hornung, a legal adviser with the Cam
VOA标准英语2010年(五)月
By Al Pessin Washington 30 September 2009 The commander of U.S. and coalition forces in Iraq says he is accelerating the drawdown of American troops, with 4,000 more coming out ahead of schedule by the end of October. General Ray Odierno spoke to th
VOA标准英语2009年(十月)
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 Katy Migiro Nairobi 14 June 2007 The bodies of two Kenyan policemen who disappeared while patrolling the Kenya-Somali border Sunday have been found. For VOA, Katy Migiro reports, the officers are suspected to have been killed by Somali Islamists.
2007年VOA标准英语（六月）
Justin: What are you ogling at? Katrina: Im watching those guys working across the street. Justin: Those construction workers ? Katrina: Yeah, those prime examples of manhood . Theres not a flabby gut in the bunch . Justin: Im pretty sure they wouldn
地道美语播客
Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康
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According to the report, China's foreign direct investment reached 123 billion U.S. dollars in 2014, a 14 percent annual increase. Zhang Xiangchen, the International Trade Deputy Representative from the Ministry of Commerce, says the numbers also ind
2015CRI中国国际广播电台
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
本期内容： A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou
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