声辐射压

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(97) / 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(130) / 评论(0) 分类 VOA标准英语2010年(一月)

This is the VOA Special English Health Report. The crisis at the damaged Fukushima Dai-Ichi Nuclear Power Station in northern Japan has raised worries about radiation risks. We spoke Tuesday with Jonathan Links, an expert in radiation health sciences

发表于:2018-12-16 / 阅读(108) / 评论(0) 分类 2011年VOA慢速英语(三)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(126) / 评论(0) 分类 Scientific American(十)月

The air thins and they begin to lose the protective weight of the miles of air above them. The pressure is dropping, when you finally get to the stratosphere, and to the altitude we like to work at, it's only one one hundredth that of it's on the gro

发表于:2018-12-27 / 阅读(116) / 评论(0) 分类 探索与发现2014年

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(118) / 评论(0) 分类 初学者听力文摘精选

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(116) / 评论(0) 分类 2017年VOA慢速英语(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(十二)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(150) / 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(232) / 评论(0) 分类 2010年VOA慢速英语(七)月

Japanese Town Split by Radiation Evacuation Zone It is an extraordinary meeting of the Kawauchi village assembly. Because of severe damage to the village's municipal hall from the earthquake, the public gathering has been convened at a community cent

发表于:2019-01-13 / 阅读(125) / 评论(0) 分类 VOA标准英语2012年(三月)

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

发表于:2019-01-14 / 阅读(133) / 评论(0) 分类 VOA标准英语2011年(四月)

DAVID GREENE, HOST: Both President Trump and Vice President Mike Pence will go to Dallas on Friday for the NRA's annual convention. On one hand, the president's presence shows that the NRA has staying power. But the organization has also faced fresh

发表于:2019-01-16 / 阅读(97) / 评论(0) 分类 2018年NPR美国国家公共电台5月

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(283) / 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(143) / 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(126) / 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(115) / 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(137) / 评论(0) 分类 英语新闻

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视)pressure.

发表于:2019-02-18 / 阅读(158) / 评论(0) 分类 趣味英语

Snowflakes are small ice crystals. Snowflakes near the ir melting temperature can, through hand pressure, be made to fuse into a snowball by a process of melting and re-freezing. The snow yields to pressure gently and progressively and doesnt make so

发表于:2019-03-06 / 阅读(169) / 评论(0) 分类 英语时差8,16
学英语单词
adjustable pressure limiting valve
angle of view of telescope
apparent head
Betty Ford Clinic
blades cooling
bluejacks
Bucine
calcined potash
Carter, James Earl, Jr.
cash price
cathode stripping voltammetry
cecoureterocele
cis-polyisoprene
compressed air governor
cone-head rivet
conopeum
consonantize
containment isolation signal
corporativism
crap-shooters
cyanoketone
database management program
decoupled
definitive accessory veins
demarchs
Democritus Junior
Dench
dicksplats
direct titrimetric method
disfurnituring
Dlugoleka
driving transformer
dushman-langmuir equation
end inspiratory crepitation
focusing magnet
fore castle break bulkhead
foul proof agent
gespirone
gtoes
Henle's tubule
high beam-velocity vidicon
high-strength brass
hip joints
homogeneous parts of polynomial
human reasoning
inextricably
insert query
JSIT
khuzistans
localizes
machinery automation
make head way
Manchurian
meliola cameliae (cattaneo) sacc.
mica-peridotite
microwave pasteurization
multiservice
myocomma
Natashquan R.
Nokoro
nueltin l.
one point earth
organization-wide
Patmos, Nosis
Pedicularis koueytchensis
phellogenetic
piptaimine
politburoes
pravacillin
prepare
pressurized tunnel
radiation resistant
reinsurances
release trunk C
rolling hinged support
rumer
salted
sand preparing system
sawngoods
side-of-pavement line
sigmation
situated knowledge
slimebacteria
SOM (start of message)
spookier
steamed fish with lemon sauce
stereographic
sue sb for libel
suite of clause trains
sweep diode
tegid
telephone modem
temper embrittlement
tertiary-enrolment
tungsten carbide insert bit
type i extreme value distribution
ultimative
uredo oplismeni-undulatifolii
wash zone
with great difficulty
would-have-been
yirm