绝缘距离

(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(77) / 评论(0) 分类 托福听力短文

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(651) / 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(91) / 评论(0) 分类 万花筒2006年

塞内加尔推行生育间隔 或可减少贫困 On a busy day at the Fith Mith Clinic in a suburb of Gudiawaye, just outside of Dakar, MamyDiop had just given birth to her third child, only one year and three months after the previous.She did not k

发表于:2018-12-16 / 阅读(73) / 评论(0) 分类 VOA标准英语2016年(七月)

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(61) / 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(190) / 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(90) / 评论(0) 分类 Scientific American(五)月

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(107) / 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(68) / 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(87) / 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(153) / 评论(0) 分类 美联社新闻一分钟2010(二月)

International Conference Highlights Family Planning in Senegal With the global population reaching 7 billion this year, doctors and health officials are advocating better family planning methods. Senegal, where some 2,000 international delegates gath

发表于:2019-01-13 / 阅读(74) / 评论(0) 分类 VOA标准英语2011年(十二月)

Royal Dutch Shell PLCs $70 billion deal to buy BG Group PLC marks the most aggressive step yet in the competition to be the worlds dominant supplier of liquefied natural gasa fuel with a fast-growing and increasingly global market. 荷兰皇家壳牌公

发表于:2019-01-22 / 阅读(84) / 评论(0) 分类 阅读空间

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(48) / 评论(0) 分类 经济学人科技系列

The One Where Ross Finds Out 本集简介: Chandler realizes he's put on some weight, so he agrees to let Monica be his personal fitness trainer. The results are great, but Monica is a bit too intense for Chandler's liking. Phoebe's dating a guy she

发表于:2019-02-04 / 阅读(87) / 评论(0) 分类 老友记(六人行)

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(105) / 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(55) / 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(64) / 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(120) / 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(95) / 评论(0) 分类 新西兰英语
学英语单词
Aiviekste
algebraic group scheme
Allwood
apparantly
asthmatic orthopnea
Barcelonians
Bazillenemulsion
Blaine
Blumlisalphorn
bridge pedestal
bund futures contracts
captioning
cheque-writing
choledochocystectomy
circuit balancing
clean remittances of commercial paper
coffee-spoonful
cogomycin
Columbus Grove
commercial artist
consignment inward
controlled temperature furnace atomizer
cord dorsum potential
demonstration principle
diffraction-limited mirror
Diprion pini
direct electrical linkage
document inspection
dry-season gardening
dung fly
earth's magnetic pole
ecological approach
environmental neutron dosimeter
epizeuxes
estimated score
evaporator metal
FBM data set
feed mixing machine
final gear ratio
foramina papillaria renis
foreland fold
gang sign
Ganimede
geophysicians
give sb best
graduated tail
grain hopper body
great abaco is.
grundeswell
guttural duct
harger
hooke robert
Hydrangea caudatifolia
Immossar
indirect discourse
initiative amendment
ionic propulsion
jogged screw dislocation
kabeljouw
Knight of the Round Table
ladyshaves
lead strain
lepocinclis cyclindrica minor
lingets
lookdown fish
loquacity
magnetic needle declination
manometer tube
memory cards
modelize
mulieres
multiple furrow gang disk plow
musculi plantaris
nailing
nine-and-a-half-hour
noise immunity
nonstandard label handling
not me
papyrotype
phosazetin
plain-denotation
pterogeina ornata
public telegraphy
pullulatings
quickacting
ragees
rhynchodipterids
sarazens
scanning waveform
selection from introduced seed
selective trials
spies
togaviridaes
tree frogs
trioxids
trust falls
turbine generator support systems
udy
unvetted
Verrey-sous-Salmaise
wegmans
westmorlands