霍氏〔粒度〕区分

Section One: News in Brief Tapescript 1. The House began debate today on a three-year bill to combat trafficking and use of illegal drugs. The measure has the support of most representatives and House

发表于:2018-12-03 / 阅读(341) / 评论(0) 分类 高级英语听力

14.Argentia Bay Herman Wouk 1. Argemtia Bay Gray peace pervaded the wilderness-ringed Argentia Bay in Newfoundland, where the American ships anchored to await the arrival of Winston Churchill. Haze and mist blended all into gray: gray water, gray sky

发表于:2018-12-04 / 阅读(443) / 评论(0) 分类 高级英语 上

The United States has more than 4,000 colleges and universities. It is not easy to decide which schools might be best for you. At the end of high school, many young people in the United States apply for admission to several different schools. The Col

发表于:2018-12-07 / 阅读(182) / 评论(0) 分类 2017年VOA慢速英语(八)月

Near the Mother of Waters are two cities.One is named Annapolis. 在河之母附近有两座城市。一个叫安纳波利斯, The other is named Baltimore. 另一个叫巴尔的摩。 Annapolis means Anna's City, and it too was named after a queen

发表于:2018-12-29 / 阅读(244) / 评论(0) 分类 美国学生世界地理教材

If you look on the Internet, you will see that almost every day of the year celebrates some kind of food. These holidays have become very popular across the United States. They often are trending stories on Twitter, and described in the U.S. media. T

发表于:2019-01-02 / 阅读(160) / 评论(0) 分类 2017年VOA慢速英语(八)月

罗布?霍普金斯Rob Hopkins提醒我们:世界赖以生存的石油即将耗尽。为转变到没有石油的世界,他给出了自己的解答-转变响应。过没有石油的生活,牺牲我们的舒适生活,建立一个完全不依靠石

发表于:2019-01-05 / 阅读(179) / 评论(0) 分类 TED公开课:环境 重造计划

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. A bird in flight is a thing of beauty. Even their takeoffs and landings usually look effortless. But pterodactyls? Well, thats another story. Scientists

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 Scientific American(一)月

Think arranged marriages are loveless? Not so, says psychologist Robert Epstein, a contributing editor for Scientific American MIND magazine. He spoke March 10 at the 92nd Street Ys Tribeca site in New York City: And theres even a study published in

发表于:2019-01-08 / 阅读(253) / 评论(0) 分类 Scientific American(三)月

The food industry leads the nation in pounds of waste produced annually. So, whats second? Its health care facilities. They dispose of more than four billion pounds of waste each year. Another shocker? A lot of that waste is perfectly functional. In

发表于:2019-01-08 / 阅读(219) / 评论(0) 分类 Scientific American(三)月

Foreign Medical Students Face Difficulties in the U.S. International students seeking a medical degree in the United States face serious difficulties. First, there is often a language barrier. Students from non-English speaking countries could have a

发表于:2019-01-12 / 阅读(273) / 评论(0) 分类 2016年VOA慢速英语(十二)月

Small-Scale Irrigation Nets Large-Scale Payoff A new study shows small-scale irrigation systems could boost farmers incomes by billions of dollars in sub-Saharan Africa and South Asia. The research was discussed at the World Water Week conference in

发表于:2019-01-13 / 阅读(326) / 评论(0) 分类 VOA标准英语2012年(八月)

Progress Has Been Made In Containing Malaria, More Needs To Be Done For every minute that goes by, a child under five years of age dies of malaria. Malaria has been diagnosed on every continent, but sub-Saharan Africa is the region most afflicted. Dr

发表于:2019-01-14 / 阅读(151) / 评论(0) 分类 VOA标准英语2013年(四月)

Why The World Isn't Close To Eradicating Guinea Worm ARI SHAPIRO, HOST: For the past few years, the world has been on the edge of one of the biggest medical triumphs of modern history. A global effort has nearly wiped out the Guinea worm, a horrific

发表于:2019-01-17 / 阅读(270) / 评论(0) 分类 2016年NPR美国国家公共电台8月

So I'd like take this opportunity to thank our parents and those who have supported us to get to this point so far 我希望借此机会感谢我们的父母 还有那些在我们前进道路上给予支持的人们 and thank them in advance for thei

发表于:2019-01-25 / 阅读(173) / 评论(0) 分类 公众人物毕业演讲

72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0

发表于:2019-01-30 / 阅读(248) / 评论(0) 分类 科技之光

A recent study found almost 60 percent of surgical residents admitted they had sustained needlestick injuries when they were medical students. Blunt tip needles, such as this one, are considered safer A recent study shows that medical students and ho

发表于:2019-02-05 / 阅读(229) / 评论(0) 分类 VOA标准英语2010年(二月)

今天我们要学的词是 large-scale。Large-scale 大规模的。The police busted a large-scale drug-trafficking ring. 警察捕获了一个大型毒品走私集团。Russia said that it is not planning a large-scale evacuation of its citizens l

发表于:2019-02-07 / 阅读(237) / 评论(0) 分类 英语单词荟萃

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

发表于:2019-02-08 / 阅读(205) / 评论(0) 分类 英语新闻

THOMAS HOPKINS GALLAUDET OF HARTFORD, CONNECTICUT, WAS THE MAN WHO BROUGHT EDUCATION TO DEAF CHILDREN IN AMERICA. HE WANTED TO HELP HIS NEIGHBORS YOUNG DEAF DAUGHTER, ALICE COGSWELL. IN 1816, GALLAUDET WENT TO PARIS, FRANCE, TO STUDY AT A SCHOOL FOR

发表于:2019-02-13 / 阅读(157) / 评论(0) 分类 名人认知系列 Who Was

RACHEL MARTIN, HOST: Coincidences confound us. Miracles amaze us. And the chance that the same person could be hit by lightning three different times, well, that just defies explanation. Or does it? David Hand is an emeritus professor of mathematics

发表于:2019-02-23 / 阅读(194) / 评论(0) 分类 英语语言学习
学英语单词
a piece of string
Abital
ampoule
apparao
areche
attached pier
auricular systole
Barcelona chair
beife
beltline railway
bleed like a pig
boratoan
bored into
Buchia
canary-pox virus
channel image intensifier
chemicals measuring tank
chip thickness compression ratio
chirocaine
compound acacia powder
conciliable
contingency retention stock
conversion value
cross join
dayn
deflecting direction
Deltavirus
deposit premium company
Diapensia wardii
dibromodiphenylsilane
downy cheats
drum gudgeon
dynamic-balance
Faddeya, Zaliv
favor
fontrevault
gainsboroughs
gelatinized gasoline
gender-difference
grammatist
gross working capital
head mast
heat-exchanger pump
heave damping of cushion
Hm-1
hot ingot peeling machine
Hörstel
imparling
indomet(h)acin
James barberry
jungfraus
lammie
laterotergal
mercate
Mikun'
mixed high frequency component
Mongolian Plat.
moving-needle type
multi-tracks
negative tax plan
neurobasis chinensis chinensis
non-fluent
normal elastic modulus
onchocercid
patish
peel
performing-arts
peripatellar
Platinel
poly(1-butene)
post staging
potexviruses
primordial atmosphere
protaminkinase
qaswini
queue rule
rarefied plasma physics
recommended temperature ranges for heat treatment
satellite base data collection subsystem
scheduled exercise
schooping
sense of human
Shangxi Group
shipping condition
shovelloader
slake tank
spacecrafts
steel sheet edge folded
still target
strip repeater
surface active agent ad uvants
take in the waist of a dress
take one's life in one's hands
theater strategy
to wax
tortious liability
tru64
ultra-short wave device for eye
under-rate
wayang
yarn tester
Z-type butt joint