单词：biogenous silica
单词：biogenous silica 相关文章
A remarkable accomplishment has taken place now in college sports. The women's basketball team at the University of Connecticut has now won 100 straight games. William Brangham has more. To put this streak in context, the UConn women haven't lost a b
PBS访谈娱乐系列
[00:01.70]You bet your life, you big, tall string bean. 你打赌, 你这巨大的士兵 [00:03.18]Ah, you made it. 你来了 [00:04.94]Here. Paolo here to save the day. 给, 宝罗来安排 [00:07.26]Genovia 吉诺威亚 [00:11.50]The land I call my
听电影学英语-公主日记
[00:01.70]You bet your life, you big, tall string bean. 你打赌, 你这巨大的士兵 [00:03.18]Ah, you made it. 你来了 [00:04.94]Here. Paolo here to save the day. 给, 宝罗来安排 [00:07.26]Genovia 吉诺威亚 [00:11.50]The land I call my
听电影学英语-公主日记
[00:01.30]Amelia, courage is not the absence of fear... 艾米利娅， 面对恐惧不要胆怯 [00:05.54]that something else is more important than fear. [00:10.54]The brave may not live forever... 英勇不会永远存在 [00:11.54]but the cautiou
听电影学英语-公主日记
By Cathy Majtenyi Murambi, Rwanda 12 July 2007 Rwanda's rolling green countryside and laid-back city life paint a picture of peace and tranquility. But beneath the calm surface, the people of this African Great Lakes country are still struggling to c
2007年VOA标准英语（七月）
BBC news with Marion Marshall. Malaysian police say they believe the half-brother of the North Korean leader Kim Jong-un has been killed at an airport in Kuala Lumpur. A British source close to Kim Jong-nams family has told the BBC that poison was in
中英双语新闻
This is Scientific American 60-second science.I'm Sophie Bushwick.Got a minute? It's not easy being yellow.But as now is face two separated con?? demix which threaten the pluck the fruit off x tables.Fortunately,reseachers have now x banana's DNA,pro
Scientific American(七)月
蒋健棠听说学英语 Chapter16:The wildlife biologist
蒋健棠听说学英语
Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,
英语听力文摘 English Digest
85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04
科技之光
By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode
VOA2003（下）-农业与经济
By Brian Padden Irbil, Iraq 28 August 2006 Kurdish leaders in Iraq say they want to be sure prosecutors build the strongest case possible against Saddam Hussein and six of his military commanders charged with genocide in the Anfal military operation
2006年VOA标准英语（八月）
AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be
2015年VOA慢速英语(七)月
AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin
2018年NPR美国国家公共电台12月
At the annual U.N. General Assembly meeting in New York, the African Union reaffirmed its opposition to issuing an arrest warrant at the International Criminal Court for Sudan's president, in connection with crimes committed in the conflict in the c
VOA标准英语2008年（十月）
俄罗斯莫斯科的一位生物能量学教授近日宣布，他已研制出一种能够有效延缓衰老的不老药，并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂，能够有效抑制氧分子对人
阅读空间
By Tendai Maphosa London 02 November 2007 Amnesty International urged governments on Friday not to send anyone suspected of crimes during Rwanda's 1994 genocide to be tried in the country, saying it has serious concerns about the justice system. From
VOA常速英语2007年（十一月）
Voice 1 Welcome to Spotlight. I'm Joshua Leo Voice 2 And I'm Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 People. Men and women, old and you
环球英语 Spotlight
[00:03.62]Clarisse: How are the children, Robbie? 孩子们好吗？罗 比 [00:06.62]Would you like to see them, maam? 你想见 他们吗？女王 [00:10.38]Theres Ryan and Bridget. 莱安和拔利特 [00:14.46]CLARISSE: Oh, theyre beautiful. 很漂亮
听电影学英语-公主日记
[00:01.04]SPEAKER: Get off the grass! 不要踏上草坪上 [00:02.80](Message repeated in other languages) [00:08.60]Welcome, Miss Thermopolis. 瑟姆丝小姐 [00:09.56]Weve been expecting you. 我们在等你 [00:20.08]MIA: Oh, be careful. 小心
听电影学英语-公主日记