辐射权重因数, 辐射权重因子

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(114) / 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(146) / 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(121) / 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(146) / 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(132) / 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(164) / 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(248) / 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(142) / 评论(0) 分类 VOA标准英语2012年(三月)

今天我们要学的词是WOW factor。 A WOW factor, 指让人惊叹的东西。经济不景气,也影响到了玩具行业。从二月中旬开幕的美国国际玩具展可以看出, In 2009, there will still be toys with the WOW factor, but

发表于:2019-01-30 / 阅读(174) / 评论(0) 分类 英语单词荟萃

本集简介: 瑞秋大做春梦先是和钱德,第二次天梦见和钱德及乔伊(不过大多数时间是后两人在忙乎),第三个梦终于是和罗斯。 菲比想做兼差赚钱,所以给钱德当秘书。 钱德由此发现同僚们

发表于:2019-01-30 / 阅读(193) / 评论(0) 分类 老友记(六人行)

在这一周的英国单曲榜当中,由英国著名选秀大赛X Factor冲进决赛阶段的选手们合唱的一首公益歌曲《Hero》空降榜首位置。大约15年前,由花蝴蝶玛丽亚凯丽(Mariah Carey 听歌)演唱的原版《Hero》在英国单曲榜中最高曾排在第七位。 从英国选秀大赛X Factor走出来的选手,

发表于:2019-02-06 / 阅读(192) / 评论(0) 分类 音乐咖啡厅

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(296) / 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(157) / 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(143) / 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(129) / 评论(0) 分类 VOA标准英语2010年(一月)

X Factor冠军打榜热歌:All Night Long Alexandra Burke是第五季X Factor的冠军,也是X Factor的舞台上继Leona Lewis之后第二个女性冠军。Alexandra这首发行于今年5月的新单曲本周打入英国单曲榜前十。 Artist:

发表于:2019-02-11 / 阅读(174) / 评论(0) 分类 经典英文歌曲

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(156) / 评论(0) 分类 英语新闻

2010 X Factor冠军Matt Cardle新单曲:When We Collide Matt Cardle,参加第七季X Factor之前只是一个27岁的粉刷匠这身份实在平凡得可以。今年他鼓起勇气参加了第七季X Factor,一举拿下冠军,并发行了自己

发表于:2019-02-20 / 阅读(162) / 评论(0) 分类 经典英文歌曲

Jo: This is Real English from BBC Learning English. Im Jo. Jean: And Im Jean. Jo: Today were going to look at words and phrases that have recently become part of the English language. Jean: 在我们的《地道英语》节目当中,我们会带领大家一起来学习和熟

发表于:2019-02-26 / 阅读(446) / 评论(0) 分类 地道英语在线听

X-Factor人气选手Misha B新单《Do You Think of Me》带着浓浓的想念 X-Factor选手米莎碧被许多人拿来和麻辣鸡做比较,但她的的声音也颇具辨识度。这是她的最新单曲《Do You Think of Me》,表达了对自己

发表于:2019-03-11 / 阅读(265) / 评论(0) 分类 流行英文歌曲
学英语单词
7-second delay
actinostomes
al tawhids
American fly honeysuckle
antrophore
applied eletromotive force
aryl bromide
autocat
ballotist
barring of incoming calls
be slow on the uptake
calipers hook
cam groove
cascadura
chesterfield rugby
collum cost?
cotter key
cylindrical concrete shell
datum circle
dickiest
dimension limit system
doctrine of affections
Doubtful Island B.
drop suspension
eckert-mauchly computer corporation
effective apparatus
Elatostema brachyodontum
exact sequence of morphisms
facies cerebralis pyramidis
fault test generation
flagellar row
flowcytometry
forward scatter propagation
give somebody the eye
glare filters
grid transformer
grit stratum
ground picture
Gustavo Adolfo
guzmen
hatchling
in the lion's paws
inversive language
invitation
laisser faire method
LAOJ
list of shareholders
livestock reservoir
long pulse radar
ly-
Mambilima Falls
mardones
Mbalama
mezquita
model scale
multivariate burr's distribution
musculus constrictor
nanosecond time-resolved spectrosecopy
nanowall
Neiguan
nick-names
non-regulated hydraulic machinery
off take
ohhhhh
onyx
osteopoikilotic
parapinopsin
parvatis
pearl shell
photomethemoglobin
plane reflector
plutinos
pok
probationary sentence
protoclusters
pump storage groups
punch carrier
regulator valve
rejection capability
secondary circular reaction
self - employed person
self-dual graph
semi-pneumatic tyre
shklovskii
sippo
slot liner
subject of numerous patents
surface harmonics
talk sense into
teleoroentgentherapy
toilet teaching
top masking
tyshon
ulp
ungentlefy
uranocene
Urias
vascular endothelial growth factor
viburnum
video-tape
voltacap
wine-growers