散乱的复制(指染色体)

Living with the Future

1) Split-second lunches, 2) color-keyed 3) disposable dishes — all part of the instant society of tomorrow. The early vision of disposability was that somehow it just melted into the atmosphere. The

发表于:2018-11-28 / 阅读(149) / 评论(0)

疯狂英语2002年

CNN 2010-05-26

The EPA is now telling BP to change the chemical dispersant. The government agency wants BP to choose something less toxic now. CNN's Ed Lavandera has more on one alternative that is already to go. Hundreds of containers are just sitting here in the

发表于:2018-12-02 / 阅读(119) / 评论(0)

CNN2010年(五)月

英语语法：154 Active Voice Versus Passive Voice

Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th

发表于:2018-12-07 / 阅读(91) / 评论(0)

英语语法 Grammar Girl

数学英语 20 What are Negative Numbers and Integers?

by Jason Marshall Lets kick things off with a bit of a strange question: If you were asked to walk up two stairs and then immediately back down three, how would you describe the total number of stairs youd climbed relative to where you began? Do any

发表于:2018-12-07 / 阅读(53) / 评论(0)

数学英语

万花筒 2010-05-03&05-04 墨西哥湾原油泄漏令人忧心

Yes,that's right,they've already seen in some parts of the wetlands here,the more remote islands that some of that sheen on top of the water is coming ashore and affecting some of the islands on the uttermost parts of wetlands.The real fear is that h

发表于:2018-12-11 / 阅读(62) / 评论(0)

万花筒2010年

NPR 2010-05-21

We're seeing another steep slide in US stocks and in other major market over fears Europe's debt troubles could undermine global economic recovery. At last check, the Dow was down more than 330 points at 10,109. NASDAQ was down 84 at 2,213. SP 500 do

发表于:2018-12-17 / 阅读(63) / 评论(0)

2010年NPR美国国家公共电台5月

CNN 2010-05-23

We known that Fridays are awesome, but you know what todays show could use? A mascot and weve got one coming up for you in about eight minutes. Im Carl Azuz. Lets get to it. First up, top kill. It sounds like something pretty bad. Officials are hopin

发表于:2018-12-20 / 阅读(72) / 评论(0)

CNN2010年(五)月

有声读物《孙子兵法》第67期:第十一章九地(6)

九地篇 NO.6：凡为客之道，深则专，浅则散。去国越境而师者，绝地也；四通者，衢地也；入深者，重地也；入浅者，轻地也；背固前隘者，围地也；无所往者，死地也。是故散地，吾将一

发表于:2018-12-29 / 阅读(52) / 评论(0)

孙子兵法

有声读物《孙子兵法》第62期:第十一章九地(1)

九地篇 NO.1： 1.用兵之法，有散地，有轻地，有争地，有交地，有衢地，有重地，有圮地，有围地，有死地。诸侯自战其地者，为散地；入人之地不深者，为轻地；我得亦利，彼得亦利者，为

发表于:2018-12-29 / 阅读(59) / 评论(0)

孙子兵法

英语语法：155 Addictive Versus Addicting

Grammar Girl here. I'm on vacation this week, but before I left I updated one of the early episodes that I took down a few months ago. I hope you enjoy this new and improved version. Today's topic is addictive versus addicting, and we'll get to use a

发表于:2019-01-02 / 阅读(105) / 评论(0)

英语语法 Grammar Girl

电信专业英英词典D-6

Direct Inward Dialing (DID) DID is PBX-to-central office trunks that allow incoming calls to a PBX to ring specific stations without attendant assistance. DID greatly reduces the number of required co

发表于:2019-01-03 / 阅读(77) / 评论(0)

电信英语

NPR 2010-08-03

President Obama is reaffirming a pledge to end US combat operations in Iraq by the end of the month, but he told a gathering of disabled veterans in Atlanta today about the military's huge shift to the other hot zoneAfghanistan. We will continue to f

发表于:2019-01-08 / 阅读(79) / 评论(0)

2010年NPR美国国家公共电台8月

英文乡村歌曲：Sophie Zelmani - Breeze

My heart is leaving you It says goodbye Disppearing from you tonight Not a breeze is gonna pass you by There are sailing boats There are ships Broken rafts adrift I'm jumping on What ever's passing by I've blown the candle out That you forgot I've ma

发表于:2019-01-11 / 阅读(63) / 评论(0)

美国乡村音乐

VOA标准英语2013--Discovery Could Lead to New Drugs to Block Deadly Viruses

Discovery Could Lead to New Drugs to Block Deadly Viruses Viruses are strange things. Though there is some scientific question about whether viruses are alive or not, they do have a basic genetic structure that allows them to be biologically active.

发表于:2019-01-14 / 阅读(86) / 评论(0)

VOA标准英语2013年(三月)

2007年VOA标准英语-Afghan-Influenced Art on Display at American Un

By George Dwyer Washington 08 August 2007 A portion of the artwork by William Dutterer on display at American University Washington D.C.'s Katzen Arts Center -- located on the campus of American University -- recently celebrated an Afghanistan-inspir

发表于:2019-01-19 / 阅读(109) / 评论(0)

2007年VOA标准英语（八月）

英语听力：自然百科大堡礁：自然奇迹—19

There are many endurings mysteries about the great barrier reef,particularly at night,but this is one of the more enchanting ones.Watch this.This coral is fluorescing under ultraviolet light,it's this amazing light show,and it covers pretty much the

发表于:2019-01-22 / 阅读(47) / 评论(0)

自然百科2014年

EDUCATION REPORT - Schools Offer Help for Students Displaced

EDUCATION REPORT - Schools Offer Help for Students Displaced by Hurricane Katrina By Nancy Steinbach Broadcast: Thursday, September 08, 2005 I'm Barbara Klein with the VOA Special English Education Re

发表于:2019-01-30 / 阅读(113) / 评论(0)

教育与新闻

2007年VOA标准英语-Biden on Defensive as He Enters US Presidential

By Jim Malone Washington 01 February 2007 Senator Joe Biden of Delaware is the latest Democrat to join the race for president in 2008. But Biden already finds himself on the defensive over some comments he made about one of his rivals, Illinois Sena

发表于:2019-02-03 / 阅读(144) / 评论(0)

2007年VOA标准英语（二月）

ESL Podcast 329 – Being Persuasive

Sylvia: How would you like to take my sister, Donna, to the movies this weekend? Youd be doing me a favor. Joon: Why? Whats wrong with her? Sylvia: Nothing is wrong with her! She just broke up with her boyfriend of four years and shes down in the dum

发表于:2019-02-04 / 阅读(63) / 评论(0)

地道美语播客

VOA标准英语2010年-Both Old and New Cutting-Edge Technolo

Since the April 20 explosion and fire that sank the BP Deepwater Horizon off-shore oil rig, about 800,000 liters of crude oil a day have been spewing from the broken well into the Gulf of Mexico. The massive spill is threatening marine life, commerci

发表于:2019-02-05 / 阅读(137) / 评论(0)

VOA标准英语2010年(五)月

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学英语单词

acceptance cone

actor-rapper

arginine-glycinetransamidinase

backscattering spectrometry

bathing machines

batiks

bidirectional production system