高压绝缘

(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival

发表于:2018-12-05 / 阅读(110) / 评论(0) 分类 托福听力短文

Weekly Address: President Obama Lauds Clean Energy Projects as Key to Creating 每周电视讲话:奥巴马总统称赞清洁能源计划为创新的关键 WASHINGTON In this weeks address, President Obama announced that due to clean energy incentive

发表于:2018-12-05 / 阅读(78) / 评论(0) 分类 奥巴马每周电视讲话

13 Skyscrapers and Environment In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of tall buildings in a

发表于:2018-12-07 / 阅读(763) / 评论(0) 分类 英语范文背诵20篇

James Kim is still missing in Oregon. But on Tuesday, searchers found what appeared to be his gray pants. And the search continues today on a remote area near the spot where Kim's wife and daughters w

发表于:2018-12-11 / 阅读(128) / 评论(0) 分类 万花筒2006年

From NPR News in Washington, I'm Barbara Klein. At least nine people have been killed and dozens injured by a bomb at a busy restaurant in Western India. Anti-terrorism forces have been dispatched to the scene and major cities around the country have

发表于:2018-12-17 / 阅读(102) / 评论(0) 分类 2010年NPR美国国家公共电台2月

In a landmark development within stem cell research, scientists say theyve used a cloning technique to make embryonic stem cells that match a patients DNA. The journal Nature highlights a study that shows the potential for using the technology to rep

发表于:2018-12-17 / 阅读(214) / 评论(0) 分类 2011年NPR美国国家公共电台10月

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(123) / 评论(0) 分类 Scientific American(五)月

It must work without a hitch. 必须能够无故障运行。 It must work without a hitch. 必须能够无故障运行。 It has been tested for nine times. 我们已经对其进行了九次测试。 These elements seem to be working well under high

发表于:2018-12-31 / 阅读(102) / 评论(0) 分类 玩转商务英语900句

Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som

发表于:2019-01-02 / 阅读(145) / 评论(0) 分类 VOA2003(上)-社会广角

President Obama traveled to Montana today to promote his administration's health care initiative, telling an audience at a town hall meeting there that the news media may have bear some of the blame for overemphasis on scenes of angry protesters at

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 2009年NPR美国国家公共电台8月

From NPR News in Washington, Im Renita Jablonsky. President Obama is revising his health overhaul plan to add some Republican proposals. But as NPRs Julie Rovner reports, theyre not likely to win many new votes. Mr. Obama said the changes were prompt

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 2010年NPR美国国家公共电台3月

1. Toyota has announced it will recall more than 400,000 Prius and other hybrid vehicles around the globe to fix brake problems. This recall is the latest in a string of embarrassing safety problems at the world's largest automaker. This recall invol

发表于:2019-01-11 / 阅读(182) / 评论(0) 分类 美联社新闻一分钟2010(二月)

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(174) / 评论(0) 分类 2017CRI中国国际广播电台

Science and technology 科学技术 Astrochemistry 天体化学 The great test tube in the sky 空中的大试管 Space is one big chemistry set 宇宙是一个很大的化学装置 MOST people think of the empty space between the stars as being, wel

发表于:2019-02-04 / 阅读(81) / 评论(0) 分类 经济学人科技系列

Animal leather alternatives like Polyurethane and PVC leather may have solved the fashion industry's animal cruelty problem, but they are not the most environmentally friendly solutions. Pi?atex a new leather-like material made from pineapple leaves

发表于:2019-02-07 / 阅读(136) / 评论(0) 分类 阅读空间

Hailey Ford, a 9-year-old girl from Bremerton, Washington, is hard at work building 11 small homes for the homeless. 来自华盛顿洲布雷默顿的9岁小女孩海丽 福特努力劳作,为无家可归的流浪汉们造了11间小房子。 She h

发表于:2019-02-08 / 阅读(89) / 评论(0) 分类 阅读空间

BEIJING, March 4 (Xinhuanet) -- Well-educated and well-paid single Chinese women were at the forefront of a boom in travel by the country's women in 2010. According to the 2010 Trend Report of Women's Travel, the amount of travel by Chinese women inc

发表于:2019-02-08 / 阅读(105) / 评论(0) 分类 英语新闻

下雨天了怎么办 Were it to me for how to handle the occasion being immersing in rainy days? ? 我好想你 Overwhelmingly extreme yearning do I pour upon you. ? 不敢打给你 Barely courageous off tinkling you. ? 我找不到原因 Unprovoked

发表于:2019-02-09 / 阅读(159) / 评论(0) 分类 英语口语

Many houses in New Zealand are cold. Our traditional wooden house had no insulation. If you live in a house like that, you are paying for heat to escape from the ceiling, walls and under the floor. Insulation is made from material like wool or fibreg

发表于:2019-02-18 / 阅读(133) / 评论(0) 分类 新西兰英语

Bird on a Wire 当我们行走在马路上时,经常可以看到成群的麻雀或乌鸦停落在几万伏的高压电线上,它们不仅不会触电,而且一个个显得悠闲自得。可是,你也知道,如果有人不小心碰到高压线

发表于:2019-02-24 / 阅读(140) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
2'-deoxyguanosine-5'-phosphate
acceptor-RNA
acuity of hearing
Afro-Asian Reinsurance Pool
AISE
antiribonucleoproteins
Bolan
botulinum cook
boundary water drive
bovaric
Bovegno
brought out in
cawl
Cerro Manantiales
CINV
code element
coupling coil
crenelated
crostata
cubic capacity of permanent bunkers
cycle rate counter
Delhians
devour one's heart
dignosised
diphasic milk fever
document platen
double elimination
dragladled cullet
drug-induced depression
electric deck machinery
Entebbe
evolving new high-yield crop varieties
external contracting type
fermentaceous
Fianga
fibronectin type III module
fluor-chondrodite
forward gate current
free standing display
furrow wheel
Garland's curve
genset failure indicator
grandslam
growth cycle of hair
highlighting display
highly aberrated laser beam
Hiwarkhed
hoze
industrialist and businessman
Iridomyrmex
isotopically modified compound
kace
laser amplification technique
lehner
life peers
limnium
list of shareholders
lithologic hydrocarbon reservoir
macrofibrous
Magnolia nitida
mangini
MLCI
mnioides
monochlorosilane
more power to his elbow
muscogulge
now i believe
nylon gasket
on long voyage
oral order
other single mode fiber optic connectors
pantophthalmid
phenampromide
pipe-cleaner
Plan-de-la-Tour
pyrophosphate
Qazzafi
quantity of documents
quantity rebate
re-buys
re-mapped
redivides
Rideau Lakes
saharan
schlitz
seadogs
semiconductor doping
service-tree
shrimpless
stelazines
stereo(-)cinematography
supply delay time
tag ends
tall kalakh (telkalakh)
thurling
tip-tank
to bear the course
tray burner
tritium-generating reactor
tynianov
UKC
unskilfulness