[化] 中压橡胶石棉板

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(九)月

On airplanes, cabin pressure changes during takeoff and landing to help passengers breathe easy at high altitudes. These changes in air pressure may make adults ears feel a little funny, prompting a few yawns to equalize the pressure. But for babies,

发表于:2018-12-28 / 阅读(121) / 评论(0) 分类 初学者听力文摘精选

At the city of Baku on the side of the Caspian Sea there are so many oil-wells and so much oil that it seems to get into everything. 在里海边的巴库城有很多很多油田,出产大量的石油,似乎什么东西都沾上了石油。 You s

发表于:2018-12-28 / 阅读(122) / 评论(0) 分类 美国学生世界地理教材

They walked onto the dock. They got into the boat. They had all their fishing gear. They were going fishing. They loved to go fishing. Sometimes they caught a lot of fish. Sometimes they caught a couple of fish. Sometimes they caught no fish. But fis

发表于:2019-01-02 / 阅读(144) / 评论(0) 分类 超级简单英语阅读

I will finish my middle school life soon, before I graduate, I need to take part in a very important test and it will decide which high school I will be in. I am so nervous now, I want to do my best and go to the ideal high school. My mother told me

发表于:2019-01-06 / 阅读(134) / 评论(0) 分类 英语作文

Stethoscope[听诊器] Sphygmomanometer (Blood pressure gauge)[血压计] Thermometer[体温表] Tongue depressor (spatula)[压舌板] Needle[针头] Syringe[注射器] Cotton stick (ball)[棉签(球)] Bandage[绷带] Elastic bandage[弹

发表于:2019-01-08 / 阅读(221) / 评论(0) 分类 医学英语

在排球、乒乓球等比赛中,经常会出现双方前几场持平,最后“一局定输赢”的情况。在英语中,“决胜局”就叫做rubber game。 为什么要用rubber来表示“打

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 英文语法词汇

By Melinda Smith Washington 02 July 2007 In many developed countries around the world the fastest growing age group is 80 and over. Older people in developing countries are also living longer. Given a choice, many elderly people prefer to live indep

发表于:2019-01-11 / 阅读(168) / 评论(0) 分类 2007年VOA标准英语(七月)

This is the VOA Special English Health Report. A migraine headache can cause disabling pain. People may not feel back to normal for hours or even days. Migraine headaches are most common among young adults and middle-aged people. In the United State

发表于:2019-01-11 / 阅读(112) / 评论(0) 分类 VOA慢速英语2009年(三)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. Today, we will tell about a plan to fight a leading killer of children in developing countries. We will tell about a new way to recogni

发表于:2019-01-11 / 阅读(136) / 评论(0) 分类 VOA慢速英语2009年(十一)月

By Robert Berger Jerusalem 22 March 2008 United States Vice President Dick Cheney is in Israel, the latest stop on a Middle East tour. As Robert Berger reports from the VOA bureau in Jerusalem, he hopes to advance the peace process. Vice President Di

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 VOA标准英语2008年(三月)

Midlife Blood Pressure Spike Ups Heart Attack Risk A new study indicates people who develop high blood pressure during middle age have a higher risk of heart attack, stroke, or related medical problems later in life. It's pretty well established that

发表于:2019-01-13 / 阅读(131) / 评论(0) 分类 VOA标准英语2011年(十二月)

California has an official animal, the grizzly bear, and a state bird, the California quail. It has an official grass, purple needle grass, and a state reptile, the desert tortoise. It even has an official song, a century-old tune called I Love You,

发表于:2019-01-13 / 阅读(160) / 评论(0) 分类 VOA标准英语2010年(七)月

VOA常速英语2014--High Blood Pressure in Young Adults Could Lead to Heart Disease 青年时血压高能导致心脏病 February is heart health month, and a new study that provides clues to young people about keeping their hearts healthy. The stud

发表于:2019-01-14 / 阅读(124) / 评论(0) 分类 VOA标准英语2014年(二月)

Let's have a look at what's leading on our News today: And more than 100,000 people are expected to pack Flemington Racecourse for today's running of the Melbourne Cup. This year's cup is likely to be dominated by international runners with 11 overse

发表于:2019-01-19 / 阅读(129) / 评论(0) 分类 澳洲ABC新闻快递2014年

They walked onto the dock. They got into the boat. They had all their fishing gear. They were going fishing. They loved to go fishing. Sometimes they caught a lot of fish. Sometimes they caught a couple of fish. Sometimes they caught no fish. But fis

发表于:2019-01-24 / 阅读(112) / 评论(0) 分类 英语第1级听力-English Level 1

Each day, millions of tonnes of rubble go by truck to Bottle Lake Forest in Christchurch. Demolition companies are working seven days a week to demolish buildings in the CBD after the earthquakes caused so much damage. Cranes, bulldozers, excavators,

发表于:2019-01-27 / 阅读(136) / 评论(0) 分类 新西兰英语

This is the VOA Special English Health Report. A migraine headache can cause disabling pain. People may not feel back to normal for hours or even days. Migraine headaches are most common among young adults and middle-aged people. In the United States

发表于:2019-01-31 / 阅读(215) / 评论(0) 分类 2010年慢速英语(三)月

By Challiss McDonough Cairo 21 December 2007 Analysts and activists in the Middle East say the year 2007 in some Arab countries was marked by backtracking from the tentative moves toward more democratization and openness that had been seen in 2005 an

发表于:2019-01-31 / 阅读(104) / 评论(0) 分类 VOA常速英语2007年(十二月)

NBN Chief Mike Quigley is calling for calm over an asbestos scare of some of its roll-out sites. Several sites in New South Wales, Victoria and WA have been shut down. Telstra is hiring an extra 200 safety specialists to inspect all asbestos-related

发表于:2019-02-14 / 阅读(107) / 评论(0) 分类 澳洲ABC新闻快递2013年
学英语单词
a.m.a
accelerator pump lever
an-all
announce
antipractise
apoxesis
Arixenina
banos de puritama
beckton
Benjamin Thompson
Bisayas
bobrovkite
branch sleeve
branch wilt
break across
bring one's hogs to a fair market
calcium suberate
Candoia
centgener plot
Chinese parasol tree
chrysenyl
Clermain
CNAG
conditional entropy
cubed
Cuprocin
cut and try system
dagger dances (s. thailand)
deleverage
dimetofrine
drilling fluid magnetic bar
dual shear seal
dumb-heads
early-may
enolate ion
episphere
equilibrium copolymerization
eye-chamber
f'ed ya
fibre-optic catheter
flapjacks
flow job system
foil fuse
free surface spanning
gamache
genus Mayetiola
godlikest
grant a patent right
gun-deck
heater brick
heke
kisangani (stanleystad)
langooty
lettre de change
lowlifes
lucky bean
main storage
malacopterygiis
Maritzburg(Pietermaritzburg)
meersheimer
mortgage payments
mult(i)-
noctilionids
nodular graphite cast iron
nonstrenuous
not know a B from a battledore
ombrophile
Palauan language
pericon detector
polyolefine fibre
proper holomorphic mapping
psoas major muscle
puddingwife
quibble
radar interaction
Rana versabilis
real argument
representator
rerun check point
rib fracture
rice leafhopper
scouting
shock disease
single sprocket movie camera
sinoxylon japonicum
slow set(ting)
snowdrop
solar plage
soluble chemicals
stamp ... out
steering lever quadrant
subcarrier modulation
subshare
swango
synchronizing cycle
teapotful
treichler
triethylic borate
undesirable species
urophein
wire ring
work ethics