高压水银(蒸气)灯

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(162) / 评论(0) 分类 2009年NPR美国国家公共电台7月

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(83) / 评论(0) 分类 彭蒙惠英语

A: Have you been having any problems lately? B: No, but the nurse at school says that I should have my blood pressure checked. A: Do you have a history of high blood pressure? B: No, I have never been told that I have high blood pressure. A: High blo

发表于:2018-12-26 / 阅读(64) / 评论(0) 分类 健康-Health

X-Ray Technology Helps Recover Lost 19th-Century Images The worlds very first photographs were taken in the 1830s. Scientists now say they have found a way to recover lost images made from the very first photographic process. The new method uses X-ra

发表于:2019-01-03 / 阅读(72) / 评论(0) 分类 2018年VOA慢速英语(七)月

EDUCATION REPORT - Summer School in the U.S. By Nancy Steinbach Broadcast: Thursday, July 22, 2004 This is Steve Ember with the VOA Special English Education Report. Recently we discussed the idea of

发表于:2019-01-06 / 阅读(71) / 评论(0) 分类 教育与新闻

HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con

发表于:2019-01-07 / 阅读(68) / 评论(0) 分类 健康与环境

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 , 您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 美联社新闻一分钟2007

By Carol Pearson Washington 22 August 2007 High blood pressure, or hypertension, is a disease usually associated with adults, but children can get it too and can have serious health problems because of it. A new study is now calling for pediatricians

发表于:2019-01-13 / 阅读(132) / 评论(0) 分类 2007年VOA标准英语(八月)

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(71) / 评论(0) 分类 VOA标准英语2014年(二月)

Dietary Changes Help Lower Blood Pressure Sunday, April 7, is World Health Day, and this years theme is high blood pressure, also known as hypertension. The World Health Organization has recommended reducing salt or sodium intake to lower the risk of

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2013年(四月)

A: Have you been having any problems lately? B: No, but the nurse at school says that I should have my blood pressure checked. A: Do you have a history of high blood pressure? B: No, I have never been told that I have high blood pressure. A: High blo

发表于:2019-01-15 / 阅读(95) / 评论(0) 分类 英语情景对话-健康

A: How have you been feeling lately? B: Ive been feeling a little light-headed lately. A: Has your blood pressure been high before? B: If I have high blood pressure, it is news to me. A: Usually people with high blood pressure have no symptoms, so we

发表于:2019-01-15 / 阅读(92) / 评论(0) 分类 英语情景对话-健康

A: Have you been feeling OK lately? B: My coach wants you to check my blood pressure. A: Has anyone ever told you that you had high blood pressure? B: I dont have any symptoms of high blood pressure. A: People with high blood pressure seldom know the

发表于:2019-01-15 / 阅读(100) / 评论(0) 分类 英语情景对话-健康

听歌学英语:The Tide Is High(Atomic Kitten) Atomic Kitten原子少女猫出道于利物浦,是一个三人少女组合。这三个美眉都是很有个性的女孩。她们发行的首支单曲Right Now,初登场即跃进排行前十的位置

发表于:2019-01-16 / 阅读(92) / 评论(0) 分类 听歌学英语

NOEL KING, HOST: There's growing evidence that when your blood pressure goes up, so does your risk of developing dementia, so one of the country's top brain doctors is urging people to protect their brains by controlling their blood pressure. As NPR'

发表于:2019-01-17 / 阅读(60) / 评论(0) 分类 2018年NPR美国国家公共电台7月

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(96) / 评论(0) 分类 实用英语

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(102) / 评论(0) 分类 英语新闻

By Melinda Smith Washington 12 September 2007 A recent study indicates that a disturbing number of American children with high blood pressure go undiagnosed. The study has prompted discussion worldwide about whether hypertension among children is jus

发表于:2019-02-03 / 阅读(142) / 评论(0) 分类 2007年VOA标准英语(九月)

By David McAlary Washington 17 May 2007 Health groups are warning of a coming international epidemic of high blood pressure that will trigger an upsurge in heart disease, strokes, and kidney failure if not controlled. A report by prestigious U.S. and

发表于:2019-02-03 / 阅读(137) / 评论(0) 分类 2007年VOA标准英语(五月)

Congratulations, you've arrived on the hottest surface in the solar system. Here, the official temperature is eight hundred seventy degrees Fahrenheit. Day or night, equator or pole, the searing heat never varies more than a few degrees, and thats wh

发表于:2019-02-15 / 阅读(132) / 评论(0) 分类 自然百科2012年
学英语单词
aerothermochemist
arabber
attenuation cross section
Aythya marila
Azawad
baseband response function
baumer
bayonet base lampholder
Belogolovoye
broadcast radio
caliculi gustatorii
chout
closed under set closure
common dollar
compounded lube oil
conusances
Cpes
delivery department
diagnorenol
discharge auger control
distress singnal
english composition
epidermal cells
ex rights
exo-
fencedin
find difficultydoing sth
fore-lift
free-stone pear
friction speed
garahs
gastric surgery
geismar
grand sum
graphic information
group of bundle
gyri descendens
hamad
hare-bur
harmonic integral
heat regulator regulator
hemorrhoidal plexus
hesperinas
Heterophyidae
hexonmer
hoggin' it
hoggism
if mixer
imidocarbonate
inclined valve
inlord
IP telephony IP
isobetanin
layered distributed operating system
life-expireds
LL. L.
locked coil wire rope
Lopping-axe
Lugols iodine solution
lutch
methylprylon
middle-cut file
minimum clearing
minority linguistics
mobile telephone
non-audit
Nordre Strφmfjord
o'guinn
order of preference
pantalets
phraseology
piston pin retaining ring
pogonophile
positive magnetostriction
pressure amplification
proportional loading
psychosomatic inventory
quasi-territorial jurisdiction
recondited
representative ring
republicated
resource-oriented
RISC
schnierle
scraggier
screened probe
sea sampler
site-level
sluring
space period
sweetweed
swidden
tabulated height
taimour
tetramines
to yearn to do
Traismauer
translator dispatcher
Triphthazine
troune
weakly leached brown soil
Zosterella