修复缺陷

Astronauts at the International Space Station have overcome initial fears and are preparing to perform the first spacewalk beneath the shuttle to repair two dangling pieces of material. The material, used to fill gaps between tiles, is sticking out b

发表于:2018-12-05 / 阅读(82) / 评论(0) 分类 英语听力文摘 English Digest

[00:06.79]Jane works at the Center for Disease Control and prevention [00:12.12]as a disease detective. [00:15.46]Listen to the tape and answer the questions. [00:19.91]The Diseases detective. [00:23.46]Jane is one of the experts at the Center for Di

发表于:2018-12-13 / 阅读(223) / 评论(0) 分类 人教全日制普通高中英语(必修)高二

Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency

发表于:2018-12-24 / 阅读(102) / 评论(0) 分类 Scientific American(十二)月

By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved

发表于:2019-01-03 / 阅读(110) / 评论(0) 分类 VOA2004(下)--健康科技

发表于:2019-01-03 / 阅读(104) / 评论(0) 分类 医务英语

Dispute About Genetically Engineered Rice 关于转基因大米的争论 Scientists in the Philippines are working to make changes to rice. They hope these changes will help solve one of the worlds biggest health issues: the lack of Vitamin A. It is

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 2015年VOA慢速英语(四)月

VOICE ONE: This is Faith Lapidus. VOICE TWO: Cole Porter And this is Steve Ember with People in America in VOA Special English. Today we bring you the second part of our program about American songwriter Cole Porter. Porter wrote his songs from the

发表于:2019-01-11 / 阅读(169) / 评论(0) 分类 VOA慢速英语2008年(二)月

By Kari Barber Dakar 06 July 2007 After years of turmoil and economic hardship, the small West African nation of Guinea Bissau is facing a health challenge caused by the absence of iodine in the nation's diet. In countries where iodine is not already

发表于:2019-01-16 / 阅读(157) / 评论(0) 分类 2007年VOA标准英语(七月)

From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im June Simms. And Im Christopher Cruise. Today, we examine recent findings about how intelligence develops in babies. We look at when and how babies learn, and the importance

发表于:2019-01-24 / 阅读(88) / 评论(0) 分类 英语语言学习

Australian researchers have identified a new condition characterized by extreme laziness: motivational deficiency disorder (MoDeD). MoDeD is far different from being a couch potato when you get home from work or sleeping in late on a Sunday morning.

发表于:2019-01-26 / 阅读(137) / 评论(0) 分类 阅读空间

当你给自己设定了一个目标之后,你是踌躇满志还是心存怀疑?当你没有如愿实现自己的目标时,你是不是就此降低对自己的期望?这篇短文将告诉你:矢志不移地追求你的目标,不妄自菲薄

发表于:2019-01-28 / 阅读(88) / 评论(0) 分类 实用英语

23 患爱滋病的母亲不宜母乳喂养婴儿 DATE=3-19-01 TITLE=DEVELOPMENT REPORT - Breastfeeding and AIDS BYLINE=Jill Moss (Start at 1'00

发表于:2019-01-30 / 阅读(112) / 评论(0) 分类 科技之光

By Margaret Besheer Washington 03 November 2007 NASA astronauts have successfully repaired a damaged solar wing at the International Space Station. The operation was completed Saturday, after being postponed twice so engineers could further study how

发表于:2019-01-31 / 阅读(123) / 评论(0) 分类 VOA常速英语2007年(十一月)

LOS ANGELES, March 3 (Xinhua) -- More and more American adults are suffering from a decline in overall sleep duration(持续时间), the U.S. Centers for Disease Control and Prevention (CDC) (疾病防治中心) said on Thursday. It's recommended tha

发表于:2019-02-01 / 阅读(110) / 评论(0) 分类 英语新闻

让你增加工作活力的5个方法 1. Engage in a quick conversation with a high-energy colleague. Their positive energy may refresh you. (Just be careful not to drag them down!) 与精力充沛的同事进行短暂的交谈。他们积极的干劲会

发表于:2019-02-05 / 阅读(99) / 评论(0) 分类 实用英语

【生词预览】 detect查明、测出,mental智力的,deficiency缺陷、不足,confess承认 【笑话原文】 Dont Know Much about History Would you mind telling me, Doctor, Bob asked, how you detect a mental deficiency in somebody who ap

发表于:2019-02-15 / 阅读(111) / 评论(0) 分类 英语笑话(MP3+文本)

Harvard University professor John Palfrey recently spoke in Taipei on the subject of youth and contemporary media, the digital age, and parenting. I read the news on his lecture with care. (Palfrey) said it is down to parents and schools to determine

发表于:2019-02-16 / 阅读(85) / 评论(0) 分类 英语听力文摘 English Digest

Lionel Andres Messi was born on June 24, 1987 in the city of Rosario, Argentina. Everyone knows him now as the best football player in the world. In fact, a lot of people say he might become the greatest player ever. Well see about that at the World

发表于:2019-02-19 / 阅读(78) / 评论(0) 分类 世界名人简介

[00:13.73]Mental deficiency [00:16.10]智力缺陷 [00:19.02]Would you mind telling me, Doctor, [00:22.09]Bob asked... [00:23.67]how you detect a mental deficiency in somebody [00:28.05]who appears completely normal? [00:31.34]Nothing is easier, he r

发表于:2019-02-22 / 阅读(100) / 评论(0) 分类 英语笑话(MP3+文本)

D deadlock,declaration,deficiency,deflection,degradation,delegation,delivery, democracy,demonstration, departure,dependence,deposition,depression,deputy,derivation,destination, destiny,destruction, de

发表于:2019-03-11 / 阅读(242) / 评论(0) 分类 考研英语
学英语单词
4-fluoro-2-nitrotoluene
acetylhexosamin-idase
AFDIS
ammonium platinochloride
angular wheel slide
anti-novel
antiperistaltic anastomosis
Aphrodisiasm
arc-seconds
arenaria-melanocephalas
atomic constants
beet hoe
bicipital muscle of arm
billholder
block-shapeds
Borken
Brandscheid
breaks open
bredigite
Cebuella pygmaea
chaguaramas
chimney climb
Chloranthus spicatus
clearance post of tracks
closed binomial sampling rule
coefficient of product requirement
coffee maker
Colonne, Pta.delle
combe saint nicholas
commonage
comprehense
controlled condition system
depth measuring instrument
diogenes edwardsii
double hook
ecological equivalents
embrightened
exhaust vent
experimental model basin
flat belt drive
flew low
frost region
gain someone's ear
grate-layer material
ground fish
hard-heart
hearer
highest common factors
iconotropy
infinite continued fraction
investment dealing
jorns
lady's cloth
largescale culture
line residual current
logically-equivalent
lose way
low-temperature impact
memorandums of understanding
misconjectured
misdeems
monophthongisation
Moresco
net advance
ninhydrin tests
non discriminatory manner
nupserha clypealis formosana
oil-bath filter
over-wrap
Pan-American jig
philanthropise
phlegm-fire confusing heart
plaqueless
plasma tip
post-partum
potassium hexacyanocobaltate (III)
primatic
push type wire feeder
ralfinamide
rapae
record current optimizer
retaining ring bar
rigid solar cell array
schiffli
sequestrotomy
Sintox
smithying
specific pathogen free
sub-tree
tarsal
tautologia
temporomandibular joint
terms of office
tiagra
time selection
Tisza River
titularly
Toldt's membrane
torpified
transient hot wire method
Wolffian ducts
yagger