[=50%tissue culture infective dose,median tissue culture infective dose]半数组织培养感染量

英语专业晨读美文-人生篇 9 Shelly to Elizabeth Hitc

[00:01.43]Shelly to Elizabeth Hitchener [00:03.94]Your letter of the 1st hath this moment reached me. [00:08.43]I answer it according to our agreement, [00:11.06] which shall be inviolable. [00:13.35]Truly did you say that, at our arising in the morn

发表于:2018-11-30 / 阅读(342) / 评论(0)

英语专业晨读美文

[单词解析速记].JV447.(Yoke.and.Vapid)

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！

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单词解析速记

Peace Corps at 50: Same Mission of Aid, Just Smaller

STEVE EMBER: Welcome to THIS IS AMERICA in VOA Special English. Im Steve Ember. FAITH LAPIDUS: And I'm Faith Lapidus. Americans who volunteer for the Peace Corps get a chance to help improve lives in developing countries. They also get a chance to le

发表于:2018-12-07 / 阅读(168) / 评论(0)

2011年VOA慢速英语(三)月

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Five Minutes to Midnight 滴！答！滴！毁灭倒数计时 by Kevin Lustig The University of Chicago publishes the Bulletin of the Atomic Scientists, a magazine about topics related to nuclear technology. On the cover of every issue of the magazin

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常春藤解析英语

It's Not Easy Being a Kid!

It's Not Easy Being a Kid!－儿童英语故事三

发表于:2018-12-14 / 阅读(241) / 评论(0)

儿童英语故事三

【一起闲话英语】去取身份证—Getting an ID card

Transcript: Admin worker: International Student ID card? Student: Yes, thats right. Admin worker: Have you got the form? Student: Yes, here it is. Admin worker: OK, lets see. Name Ahmed, surname Saeed, age 14, address ... (pause) ... oh, whats your a

发表于:2018-12-28 / 阅读(270) / 评论(0)

一起闲话英语-English Chitchat

[单词解析速记].JV517.(Vivid.and.Inane)

发表于:2018-12-30 / 阅读(207) / 评论(0)

单词解析速记

[单词解析速记].JV526.(Fidelity.and.Extrovert)

发表于:2018-12-30 / 阅读(196) / 评论(0)

单词解析速记

[单词解析速记].JV542.(Penchant.and.Intrepid)

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单词解析速记

第19期: lonely, neighbor, decide, kitchen, east

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 lonely [ 5lEunli ] Working as a writer can be a very lonely existence. adj. 寂寞的当作家会是一种很寂莫的生涯。 neighbor [ 5neibE ] My next

发表于:2018-12-30 / 阅读(226) / 评论(0)

每日攻克5词

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发表于:2018-12-30 / 阅读(215) / 评论(0)

法律英语 Legal Lad

名人轶事:IdaTarbell,1857-1944: She Used Her Reporting Ski

Ida Tarbell, 1857-1944: She Used Her Reporting Skills Against One of the Most Powerful Companies in the World Tarbell charged that Standard Oil was using illegal methods to hurt or destroy smaller oil companies. ANNOUNCER: People in America, a progra

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名人轶事

VOA标准英语2008年-Srebrenica Massacre Victims' Families File Dutc

By Lauren Comiteau Amsterdam 18 June 2008 Relatives of the victims of the 1995 Srebrenica massacre in Bosnia-Herzegovina have asked a Dutch civil court to wave U.N. immunity and allow them to seek damages for their loss. About 8,000 Muslims were mur

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VOA标准英语2008年（六月）

VOA慢速英语2012--Many Congolese Still Need Emergency Aid

Many Congolese Still Need Emergency Aid Humanitarian agencies are still trying to reach thousands of people in the eastern DRC who were displaced by the recent military offensive by M23 rebels. Many of the displaced fear they may have to flee violenc

发表于:2019-01-14 / 阅读(258) / 评论(0)

VOA标准英语2012年(十二月)

英语新词:这些id后缀单词你理解对了么?

英语新词:这些id后缀单词你理解对了么? afraid adj. 害怕的；恐怕；担心的。 devoid adj. 缺乏的；全无的。 flaccid adj. [医] 弛缓的；软弱的；无活力的。 florid adj. 绚丽的；气色好的。 fluid adj. 流动

发表于:2019-01-18 / 阅读(271) / 评论(0)

英文语法词汇

2006年VOA标准英语-Gunmen Kidnap 50 People in Iraq

By Leta Hong Fincher Washington, DC 06 June 2006 watch Iraqi Kidnap report Iraqi officials say gunmen raided bus stations in Baghdad Monday and kidnapped 50 people. Also, a hard-line Sunni group warne

发表于:2019-01-21 / 阅读(289) / 评论(0)

2006年VOA标准英语（六月）

英语语法：42 Did I Tweet or Did I Twitter?

Grammar Girl here. Today I have exciting language news from the new 2009 AP Stylebook. Last week the Associated Press released the updated 2009 edition of its famous AP Stylebook. This is the language rule book used by all the journalists in the Asso

发表于:2019-01-22 / 阅读(240) / 评论(0)

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the Perseid meteor shower

77 流星雨成因探索 Date=8-2-01 Ttle=science report - the Perseid meteor shower Bline=Mario Ritter （Start at 59

发表于:2019-01-30 / 阅读(236) / 评论(0)

科技之光

A Midshipman

One of my fellow midshipmen at the U. S. Naval Academy was performing poorly in class and reported to his company officer for counseling., Your marks are deplorable! the officer scolded. Is there a problem-that has kept you from studies?No, sir, the

发表于:2019-02-03 / 阅读(259) / 评论(0)

趣味英语

China's new Internet ID policy triggers online discussion

BEIJING, Jan. 3 (Xinhua) -- A policy that requires users to use their real names when registering for Internet access has triggered heated discussion, with some for and some against it. On Dec. 28, China's top legislature passed rules on protecting o

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学英语单词

anterolateral spinothalamic tract

arcform ship

archicarp

arterial switch procedure

audiovox

birdies