单词：prefecundation
conditions preceding fecundation, especially to the changes which the
ovum undergoes before fecundation.
单词：prefecundation 相关文章
barren, ['brən] adj 不育的，贫瘠的（缺少有益的植被），不结果实的＝sterile＝bare＝effete＝impotent＝infecund 【例】The desert is barren land 沙漠是贫瘠的土地。 【记】1）bar＝bare光光的－一无所有的－
不择手段背单词
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
英文魔法师字源大挪移
It is now thought that the larvae of certain organisms may drift through the water until, 现在认为，某些生物的幼体可能在水里漂动， by some unknown chemical means, they detect that they have arrived at a food opportunity and fall o
万物简史
IN THE NEWS - John Kerry Chooses John Edwards for Vice President By Cynthia Kirk Broadcast: Saturday, July 10, 2004 This is Bob Doughty with In the News, in VOA Special English. The Democratic Nationa
教育与新闻
A South Korean official says North Koreas leader commented that he is committed to denuclearization of the Korean Peninsula. National security advisor Chung Eui-yong also said that the leaders of North and South Korea are to meet in the capital of No
2018年VOA慢速英语(九)月
THE MAKING OF A NATION - Questions of Wrongdoing Trouble President Grant's Second Term By Frank Beardsley Broadcast: Thursday, August 04, 2005 (MUSIC) VOICE ONE: THE MAKING OF A NATION -- a program in
The Making of a Nation
The Secretary of the US Army delivers a stinging indictment today against those accused of sloppy record keeping at Arlington National Cemetery. And John McHugh tells the families of those resting in that hallowed ground that he is deeply sorry. Toda
2010年NPR美国国家公共电台6月
THE MAKING OF A NATION - February 14, 2002: Inauguration of Franklin Roosevelt By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) American
The Making of a Nation
When I work with students in conferences I spend most of my time helping them unearth and add details, helping them identify areas needing further development. While we are struggling to make sentences and structure our paragraphs, it's easy to forge
实用英语
A: I am trying to see if I can afford to purchase a home that I wish to buy. B: We can figure that out right now. How much do you earn annually? A: My wife and I earned one hundred and fifty thousand dollars last year. B: How many years have you held
英语情景对话-买房
THE MAKING OF A NATION #68 - Pre-Election, 1840 By Frank Beardsley Broadcast: Thursday, June 24, 2004 (MUSIC) VOICE ONE: THE MAKING OF A NATION -- a program in Special English. (MUSIC) President Marti
The Making of a Nation
By Kurt Achin Seoul 25 February 2008 The former Seoul mayor who swept December elections in South Korea is getting used to his new title: Mr. President. Lee Myung-bak has taken his oath of office in a formal ceremony in the South Korean capital. VOA
VOA常速英语2008年（二月）
SAN FRANCISCO, Oct. 10 (Xinhua) -- Apple announced on Monday that pre-orders of its iPhone 4S have topped 1 million in a single day, surpassing the previous single-day pre-order record of the company's smartphone. The iPhone 4S pre-orders surpassed 1
英语新闻
今天我们要学的词是 pre-order. Pre-order 预购。iPhone5问世了。The iPhone5 went on pre-order just after midnight Pacific time last Friday. iPhone5 于美国西部时间上星期五凌晨12点一过开始预售。Roughly one hour after t
英语单词荟萃
BEIJING, July 24 (Xinhua) -- Bayern Munich swept over Beijing Guo'an 6-0 in a pre-season friendly match at Workers' Stadium here on Tuesday. Guo'an sent on a second-string lineup and were under full control of the Bundesliga powerhouse throughout the
英语新闻
NEW YORK, Sept. 23 (Xinhua) -- The NBA announced the cancellation of 43 pre-season games and the postpone of training camps indefinitely. The representatives for the NBA owners and players union are still at an impasse over a new collective bargainin
英语新闻
BEIJING, Aug. 22 (Xinhuanet) -- U.S. Emmy award-winning actress Selena Gomez will host the MTV Video Music Awards pre-show on Aug. 28, according to media reports Monday. Along with a cadre of MTV personalities and rock act Cobra Starship, Gomez will
英语新闻
BEIJING, April 19 (Xinhuanet) -- Almost one year after the disastrous（灾难性的 ） oil spill, scientists believe that the overall health of the Gulf of Mexico as nearly back to normal. However, the scientists restrain their optimism about natur
英语新闻
BEIJING, May 9 (Xinhua) -- The State Council, China's cabinet, said on Wednesday that the country will step up efforts to promote informatization development and strengthen information security. Speeding up the construction of informatization and bui
英语新闻
The suicide bomber who killed 7 CIA employees on a US base in eastern Afghanistan was seen, on Saturday, in a pre-attack video alongside Pakistani Taliban chief Hakimullah Mehsud. In the video, Humam Khalil Abu Mulal al-Balawi, a Jordanian, says he w
VOA标准英语2010年(一月)