辐射曝露基准

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Japan's nuclear crisis may mean greater demand for imported food and less competition from Japanese products on world markets. But it also means that

发表于:2018-12-07 / 阅读(174) / 评论(0) 分类 2011年VOA慢速英语(三)月

Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und

发表于:2018-12-08 / 阅读(208) / 评论(0) 分类 VOA标准英语2010年(一月)

The serious radiation leaks at Japan's damaged Fukushima-Daiichi nuclear power plant have reawakened public fears about radiation sickness. But what if there were a drug that could not only protect people from dangerous levels of radiation exposure b

发表于:2018-12-19 / 阅读(140) / 评论(0) 分类 VOA双语新闻 2011年3月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(十)月

Human exploration of Mars is now an official goal of the National Aeronautics and Space Administration (NASA). Last month, U.S. President Donald Trump signed a bill to increase NASAs budget. The law sets spending at $19.5 billion for the 12-month per

发表于:2019-01-02 / 阅读(192) / 评论(0) 分类 2017年VOA慢速英语(四)月

U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation(放射) exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y

发表于:2019-01-11 / 阅读(217) / 评论(0) 分类 英语新闻

DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also

发表于:2019-01-11 / 阅读(319) / 评论(0) 分类 2010年VOA慢速英语(七)月

Brain scans of men and women exposed to lead during childhood shows residual damage less severe in females Rose Hoban | Washington, DC 18 December 2009 Ever since the ancient Roman era, people have known that lead, a heavy metal long used in paints,

发表于:2019-01-13 / 阅读(207) / 评论(0) 分类 VOA标准英语2009年(十二月)

Japan raised the severity of the Fukushima nuclear crisis from four to five on a seven-point scale of international nuclear events. Fears of radiation exposure has caused a run on salt products all across the region, including in China, where shopper

发表于:2019-01-14 / 阅读(216) / 评论(0) 分类 VOA标准英语2011年(三月)

French Court Convicts South African Artist of Indecent Exposure WASHINGTON A French court has convicted South African performance artist Steven Cohen of indecent exposure during an appearance he made in central Paris last year. The court imposed no p

发表于:2019-01-14 / 阅读(206) / 评论(0) 分类 VOA标准英语2014年(五月)

The solar system is a hostile place. Earth is under attack from deadly cosmic radiation. Life here is only possible, because it's protected by the magnetosphere, an invisible force field that cocoons the planet. But new evidence reveals that this vit

发表于:2019-01-22 / 阅读(170) / 评论(0) 分类 自然百科2011年

A woman was walking down the street with her blouse openand her right breast hanging out. A cop was approachingfrom about a block away, thinking to himself, Boy, myeyes must be going. It looks like that woman is hangingout of her blouse. But, as he g

发表于:2019-01-31 / 阅读(223) / 评论(0) 分类 趣味英语

今天我们要学的词是norm。 Norm, 意思是标准,规范。气象学家研究显示, Triple-digit summer temperatures will be the norm in a few decades in Texas, 美国德克萨斯州几十年后,夏天气温三位数字将是常规现象。

发表于:2019-02-02 / 阅读(182) / 评论(0) 分类 英语每日一词

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

发表于:2019-02-06 / 阅读(361) / 评论(0) 分类 英语新闻

A key Japanese adviser on radiation(放射 ) leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer

发表于:2019-02-06 / 阅读(199) / 评论(0) 分类 英语新闻

NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from(发源于) Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo

发表于:2019-02-07 / 阅读(188) / 评论(0) 分类 英语新闻

Public opinion polls suggest most Americans favor full body scanners as a way to protect against terror attacks on commercial airliners. The benefits of scanners are being debated in a number of countries. Some groups have raised privacy issues. But

发表于:2019-02-07 / 阅读(178) / 评论(0) 分类 VOA标准英语2010年(一月)

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(229) / 评论(0) 分类 英语新闻

今天我们要学的词是norm。 Norm, 意思是标准,规范。气象学家研究显示, Triple-digit summer temperatures will be the norm in a few decades in Texas, 美国德克萨斯州几十年后,夏天气温三位数字将是常规现象。

发表于:2019-02-17 / 阅读(183) / 评论(0) 分类 英语单词荟萃

发表于:2019-02-19 / 阅读(164) / 评论(0) 分类 考研英语
学英语单词
abatons
abigails
acrost
activated primary sodium
ACU
aircraft vulnerable areas
all-causes
amontilladoes
Andros Town
anthraflavic acid
architectural science
articulatory epideme
ASMS (alarm and status management system)
autoreclose circuit breaker
average range
baby-to-be
box lunches
bring pressure to bear on
chief agglutinogen
cocoa-nut
creatureliness
curb an overheated economy
depletion charge
dichloroethynylmethyl ester phosphoric acid
dioctahedral
East Holden
embryonal rhabdosarcomas
encincturement
epitheliod
Established Federal Standard
etherton
Eulerian pole
eutomous
exportings
fission isomer
fluogermanate
fly cop
folded filter paper
formalized arithmetic
freeposts
frenchnesses
generalized exit pupil
Guide Seamount
horizontal-spindle rotary table grinding machine
humidious
hyaenodontids
hydrofoil destroyer
immune adherence hemagglutination assay
inhibited brass
initial ratio
input data vector
interapicular abscess
KAM theorem
label-knotting machine
layff
leptosphaeria pandanicola
lower storey of forest
luteal regression stage
magnetoelastic coupling
meltproof
memory limit
micro ohm
most-common
multisheet
neurilemoma
noachian deluges
not put it past someone
openroutine
ordering point
pedicels
pivoted-bucket carrier
plutonium breeding
polypeptide chain
pull plate
pyrophoric alloys
quasi propulsive efficiency
reduced tariff
Robert Alexander Schumann
sakli
scintillation spectrum
sea-monster
seakindly ship
simultaneous linear algebraic equation
stansberry
starlings
Stirling numbers
strategian
striping cross-section
system speed
tactical information processing and interpretation system
tape controlled turret punching press
thiol-modified rubber
turn handsprings
two-tone finished leather
tympanic cavity
unearned reinsurance premium
unfraternal
uninstall
unit ash handling system
ureolysis
Vagina tendinum musculi extensoris digitorum longi
waterproof case