机械类词汇大全-24

967 、 卷尺 flexiblerule;taperule 968 、 接口；界面；分界面 interface 969 、 接合 joining 970 、 接合工具 joiningtool 971 、 接地 earthing 972 、 接缝 lappedseam;seam 973 、

US Able to Protect Servicemembers from Biological Threat, Sa

Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert

男人的生物钟

Have you ever thought about your biological clock? Never! No. Men don’t have to think about that. Men may not think about their biological clocks, but they should. There are some men whose biologica

Daily English-2017年05月04日

She is grieving the loss of her biological daughter. 她沉浸在失去亲生女儿的悲痛之下。 图片1

CNN 2012-04-07

hi,I am Carl Auzus.You are watching CNN studentnews.We have a couple of awsome things in this particular Friday.The Men's field high tiger in Texas got our social media question,right?So congratulates to them.And we have a suprise for you in today's

英文杂志-Magazine：Wormholes

Wormholesby Linda BaxterHave you ever read Carl Sagan's 1985 science fiction novel 'Contact'? Or have you seen the film of the same name starring Jodie Foster? If you have, then you will remember the scene near the end of the film, when the heroine t

Disc Jockey Dariush

Oksana Dragan A music disc jockey who honed his skills in fundamentalist Iran is now a fixture of the Washington D.C. music scene, particularly among the 28 thousand or so Iranians living in the Unite

50年了,我们离《2001:太空漫游》还有多远?

Remembering 2001: A Space Odyssey 50 Years Later It was 50 years ago that the science fiction film 2001: A Space Odyssey opened in theaters across the United States. The film, directed by Stanley Kubrick, was based on a book by Arthur C. Clarke. The

世界名人简介 第5期:安格拉·默克尔

Angela Merkel was born in Hamburg in 1954. She became Germanys first female Chancellor and the first from communist East Germany in 2005. Forbes magazine listed her as the most powerful woman in the world in 2006 and 2007. Western media often dub her

美联社新闻一分钟 AP 2014-10-07

This is AP News Minute. A day after addressing a harsh UN General Assembly, Indias new Prime Minister Narendra Modi received sundries of receptions in New York City Sunday. He greeted crowds from a rotating stage of American square garden. In Hong Ko

VOA慢速英语 2007 0605a

This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

2006年VOA标准英语-UN Leader Warns of Biological Weapons Threat

By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

英语听力：自然百科 地球自转的奥秘

Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var

【文摘】男性生物钟

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

英语听力文摘 English Digest 482、太阳也在自转？

As the Sun Turns 太阳也在自转？ Everyone knows that the earth turns. As a matter of fact, the sun turns too. Altough a lot of people don't realize it. Im not talking about being in orbit , nowthe earth definitely orbit s the sun and not the ot

AGRICULTURE REPORT - Biological Controls, Part 1

AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

VOA慢速英语20061108a

HEALTH REPORT - Study Links Brain Abnormalities to Sudden Death in BabiesBy Caty Weaver Broadcast: Wednesday, November 08, 2006 This is the VOA Special English Health Report. Scientists say they have

英文原版对话1000个:778 Climbing

Todd: So, Shona, you are quite fit. You like to run. Do you like to do anything else? Shona: Yeah, actually. I like quite a lot of different sports. I like to play tennis. That is like something that I like to participate in with someone else, but al

VOA标准英语2011--Israel Practices Biological Attack Response

Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e

万物简史 第521期:丰富多彩的生命(17)

Yet there is surprisingly little agreement on how many phyla there are or ought to be. 然而，令人吃惊的是，在关于有多少门或诙有多少门的问题上，人们的看法大相径庭。 Most biologists fix the total at about thirty, b