辐射导数

First, there are those words ( with which we become familiar in ordinary conversation) , which we learn , that is to say, from the members of our own family and from our friends, and which we should

发表于:2018-12-01 / 阅读(167) / 评论(0) 分类 自考英语(一)78讲

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(100) / 评论(0) 分类 2011年VOA慢速英语(三)月

This is the VOA Special English Economics Report. Early estimates show that the United States economy shrank by three-tenths of one percent from July through September. Economists had predicted a five-tenths drop. But Thursday's report from the Comm

发表于:2018-12-07 / 阅读(123) / 评论(0) 分类 VOA慢速英语2008(十)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(134) / 评论(0) 分类 VOA标准英语2010年(一月)

雅思听力场景词汇:化学词汇 在雅思听力考试场景中,化学相关的场景的词汇较为生涩,平时生活中可能也运用得比较少,以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle

发表于:2018-12-19 / 阅读(177) / 评论(0) 分类 雅思英语

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(132) / 评论(0) 分类 Scientific American(十)月

The New Music The new music was built out of materials already in existence: blues, rock'n'roll, folk music. But although the forms remained, something completely new and original was made out of thes

发表于:2018-12-31 / 阅读(120) / 评论(0) 分类 有声英文阅读

[00:03.81]bond fund :债券型基金 [00:05.87]closed-end fund :封闭型 [00:08.07]derivative :n.衍生商品 [00:09.95]equity fund :股票型基金 [00:11.96]fund manager :基金经理人 [00:13.99]futures :n.期货 [00:15.93]hedge fund :避险基金

发表于:2018-12-31 / 阅读(228) / 评论(0) 分类 商务英语分类核心1000词汇

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(120) / 评论(0) 分类 2017年VOA慢速英语(四)月

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(191) / 评论(0) 分类 医学英语

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(153) / 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(235) / 评论(0) 分类 2010年VOA慢速英语(七)月

Science and Technology Prevention of cancer Wonder drug 科技 预防癌症 特效药 Aspirin continues to amaze 阿司匹林让人吃惊的另一面 FOR thousands of years aspirin has been humanity's wonder drug. 几千年来,阿司匹林就一直是

发表于:2019-01-26 / 阅读(130) / 评论(0) 分类 经济学人科技系列

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(287) / 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(145) / 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(133) / 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(117) / 评论(0) 分类 VOA标准英语2010年(一月)

The New Music 新音乐 The new music was built out of materials already in existence: blues, rocknroll, folk music. But although the forms remained, something completely new and original was made out of these older elements - more original, perhaps,

发表于:2019-02-08 / 阅读(155) / 评论(0) 分类 实用英语

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(141) / 评论(0) 分类 英语新闻

Business 商业报道 Cotton exports 棉花出口 Knickers in a twist 印度颁布棉花禁令,世界市场反应强烈 India bans cotton exportsconfusing everyone, including its government. 印度禁止棉花出口,让所有人都很迷惑,政府

发表于:2019-02-16 / 阅读(101) / 评论(0) 分类 经济学人商业系列
学英语单词
ability to ball
academizations
affeiring
alto cumulus glomeratus
Ammivin
anti-corrosive agent
asymmetrically
athwartships bottom floor
bacillo-
baking storage
balanoposthitis vulgaris
benfactress
bituminous joint
brake-shoe tester
budget officer
bull in a china shop
Calcutta
camera back
cease to do
chemipen
columnar basalt
continuous running efficiency
daisylike
Defferrari
dif-
dividing strip for terrazzo
dropped bit
earthenware
egghead
epauletted
equivalence reaction
error detected
Espuňa, Cerro
exclaim against/at/on/upon
expedited registration service
finger wheel rake
flow injection analysis
foundering
gastric colic
gearhardt
give a plan the nod
grading automatic sorter
gunsmitheries
headless punch
help agent
Homofukinolide
kismet
lead locomotive kilometers
Ledo Road
lens washer
life interval
lil-lets
Mala grammatica non vitiat chartam.
man of parts
mcgoverns
mean annual forest percent
medium-sized
metastasis
microshield
Monotropa uniflora
near polar sun-synchronous orbit
not for toffee
not marked
out-taking
paleographic
parameter sensitivity function
partially self-checking
post-frontal precipitation band
pull quote
razor sauce
record books
regeneration cycle operation
roof filter
Salvadoraceae
Samosata
Sanskritist
scotch ginghams
serous hemorrhage
sigsworth
silent stock support
silver bath
sinskea flammea ochracea
sodium alginate
sound broadcasting
special notes
specimen planting
speech plus duplex FMFV telegraph equipment
sprigge
steering vector
Storevatn
teessides
this is it
throdden
tides over
tin star
trehaloamine
tube-foot
twin grip type centerless grinder
unrebukable
vinblastinum
vitriform
Yajurveda