前股股节

Paul Rothemund:DNA魔法

Paul Rothemund正在编写一种特殊的「密码」以使DNA能自己排列成星形、笑脸及其他图案。您会为之感到震惊，但您所看到的只是分子自我排列组合的小型表演，它实际上揭示了未来制造出各种东西

发表于:2018-12-09 / 阅读(104) / 评论(0)

TED公开课:头脑游戏

英语口语900句 07.04.对话.1.买葡萄

Can I help you, sir? Yes, I want to buy some grapes. What kind of grapes do you want? People say grapes from XinJiang are much sweeter than other kinds. Please give me a kilo of that. Ok, wait a moment please. Make sure they are fresh. Trust me.

发表于:2018-12-25 / 阅读(77) / 评论(0)

英语口语900句

小学六年级英语(深圳朗文版)上册 Unit 5 Faster,higher and stro

发表于:2018-12-29 / 阅读(215) / 评论(0)

小学六年级英语

英语语法：187 Is a Troop One Person or a Group?

Today, guest-writer Neal Whitman will help us understand why the word troops can refer to the number of individuals or groups. What Does Troops Mean? Memorial Day is next week, when we in the U.S. honor members of the military who have died in the li

发表于:2019-01-02 / 阅读(139) / 评论(0)

英语语法 Grammar Girl

Agroecology, Part 2

By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This

发表于:2019-01-02 / 阅读(157) / 评论(0)

VOA2003（下）-农业与经济

Agroecology, Part 1

By Mario Ritter Broadcast: September 30, 2003 This is Steve Ember with the VOA Special English Agriculture Report. This week, we take a suggestion from a listener in Brazil. Agricultural specialist Lu

发表于:2019-01-04 / 阅读(138) / 评论(0)

VOA2003（下）-农业与经济

2006年VOA标准英语-Australia Sends More Troops to Troubled So

By Phil Mercer Sydney 19 April 2006 Residents watch the smoke rise in Honiara, the Solomon Islands capital, Wednesday, April 19, 2006 after a night of rioting in the aftermath of the election of Snyde

发表于:2019-01-13 / 阅读(159) / 评论(0)

2006年VOA标准英语（四月）

2007年VOA标准英语-Nonprofit Groups Provide Job Training, Placemen

By Jeffrey Young Washington 12 June 2007 To most Americans, the governments in their towns and regional areas, called counties, are the governments they interact with the most. And alongside these local governments are groups of citizens who work on

发表于:2019-01-16 / 阅读(129) / 评论(0)

2007年VOA标准英语（六月）

早安英文第222期:教你快速说出与时间相关的英文表达

英语学习笔记： quarter n. 四分之一；一刻钟 meridiem n. 正午 ante pref. 表示前 2 to 2 两点差二分 A quarter past 3 三点一刻 half past 3 三点半 ante meridiem 午前 post meridiem 午后 I was born in February. 我出生在二

发表于:2019-01-24 / 阅读(81) / 评论(0)

早安英文

夏洛的网第81期:威尔伯说大话(2)

My legs are hairy for a good reason, replied Charlotte. 我的腿毛茸茸是有道理的，夏洛回答说， Furthermore, each leg of mine has seven sections, the coxa, the trochanter, 而且我的每条腿有七个节，基节、转节、 the femu

发表于:2019-01-29 / 阅读(172) / 评论(0)

夏洛的网

2006年VOA标准英语-Non-Profit US Group to Supply Children With Com

By Stephanie Ho Washington 15 November 2006 The non-profit group , One Laptop per Child has unveiled a low-cost, high-durability laptop computer that it says it wants to put into the hands of children across the globe. Children's laptop from One Lap

发表于:2019-01-31 / 阅读(166) / 评论(0)

2006年VOA标准英语（十一月)

2006年VOA标准英语-A Profile of Proposed Secretary of Defense Robe

By Ernest Leong Washington, D.C. 10 November 2006 watch Gates profile Robert Gates, President Bush's nominee to become the new U.S. Defense Secretary, is a former CIA Director with decades of experience in the national security field. He has also se

发表于:2019-01-31 / 阅读(206) / 评论(0)

2006年VOA标准英语（十一月)

2007年VOA标准英语-Burundi Proposes Offering Troops for Somalia, U

By Cathy Majtenyi Nairobi 01 February 2007 Burundi has agreed to offer troops for the African Union peacekeeping initiative in Somalia. Meanwhile, Uganda's parliament is brushing aside attempts by the ruling party to push through a motion to send Uga

发表于:2019-02-01 / 阅读(144) / 评论(0)

2007年VOA标准英语（二月）

VOA标准英语2008年-US Group Targets Neglected Tropical Diseases

Earlier this year, President Bush said the United States would spend $350 million over five years to fight seven of the world's most common parasitic and bacterial diseases affecting hundreds of millions of people in tropical regions of the world. A

发表于:2019-02-02 / 阅读(116) / 评论(0)

VOA标准英语2008年（七月）

每日一词【722】robocall

今天我们要学的词是robocall。 Robocall指的是由计算机系统自动拨号，播放事先录制的电话留言的宣传电话。Robocall是产品促销和政治竞选的常用手段。A GOP group launched its robocall campaign against Sen

发表于:2019-02-04 / 阅读(164) / 评论(0)

英语每日一词

美国俚语:prefill在很渴的情况下先喝一杯

prefill的意思是在很渴的情况下先喝一杯。用法解释： When, in cases of extreme thirst, a person using a soft-drink fountain fills the beverage container, chugs it, and then fills it again before sitting down to eat. A: Hey man, why

发表于:2019-02-06 / 阅读(81) / 评论(0)

美国俚语

OMG!美语 Marriage Proposal!

OMG! Congratulations to both of you!! How did he pop the question??OMG! 祝贺你们俩啊！！他怎么求的婚啊？？

发表于:2019-02-06 / 阅读(119) / 评论(0)

OMG美语

2006年VOA标准英语-Small Group of Protesters Accuses New York Time

By Zulima Palacio, Cindy Saine Washington, D.C. 05 July 2006 Watch Protest Report Protestor A small group of about 15 people gathered in front of the Washington bureau of the New York Times Monday to protest the paper's publishing of what some call

发表于:2019-02-07 / 阅读(204) / 评论(0)

2006年VOA标准英语（七月）

New space station crews pass preflight tests

MOSCOW, May 13 (Xinhua) -- The main and backup(后备) crews that will fly to the International Space Station in June have passed preflight tests and are ready for space travel, the Russian Cosmonauts Training Center said Friday. The main crew includ

发表于:2019-02-08 / 阅读(122) / 评论(0)

英语新闻

美国俚语:prefill 在很渴的情况下先喝一杯

发表于:2019-02-09 / 阅读(66) / 评论(0)

美国俚语

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学英语单词

anthelmint(h)ic

bamboo leaves pattern

brauer's syndrome(familial focal facial dermal dys-plasia)

businesspeak

camera lens projection

cantabank

carbamyl chloride