机器辐射源

45.The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Suns very center. It is here that is to be found the source of the energy that the Sun constantly pours out i

发表于:2018-11-28 / 阅读(352) / 评论(0) 分类 新概念优美背诵短文50篇

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(61) / 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(86) / 评论(0) 分类 VOA标准英语2010年(一月)

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-12 / 阅读(104) / 评论(0) 分类 英语小短文

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the

发表于:2018-12-15 / 阅读(181) / 评论(0) 分类 新东方背诵文选

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

A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h

发表于:2018-12-30 / 阅读(75) / 评论(0) 分类 考研背诵50篇

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(73) / 评论(0) 分类 2017年VOA慢速英语(四)月

今天我们要学的词是source。 Source, 意思是来源。 Social Security is a reliable income source for seniors, 社会保障是美国老年人可靠的收入来源。 Police have received thousands of tips, according to a source close to the

发表于:2019-01-07 / 阅读(100) / 评论(0) 分类 英语每日一词

By Kari Barber Dakar 21 March 2008 In many African countries, few people have access to computers and the Internet. Experts say this is hindering development and preventing students from being able to compete for jobs. At a conference in Dakar this w

发表于:2019-01-07 / 阅读(119) / 评论(0) 分类 VOA标准英语2008年(三月)

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 英语小短文

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(102) / 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(171) / 评论(0) 分类 2010年VOA慢速英语(七)月

Nature reports results from GRACE, a satellite machine designed to use gravity measurement to monitor the world's water resources. GRACE is the Gravity Recovery and Climate Experiment and it's a two-satellite machine. These two satellites are followi

发表于:2019-01-22 / 阅读(91) / 评论(0) 分类 自然百科2010年

Alan, Canada speaker How do I get my news? Well, when I lived in Canada I got my news from primarily watching television and reading the newspaper. But since I moved over to Asia and started using computers more and more I find that I get my main sou

发表于:2019-01-23 / 阅读(179) / 评论(0) 分类 一起闲话英语-English Chitchat

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(246) / 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(96) / 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(96) / 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(70) / 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(94) / 评论(0) 分类 英语新闻
学英语单词
a weirdo
acute stem-cell leukemia
agallochum
ahte
air filled thermocouple
amethodist
anaspid
annual flower
any the less
atrium dextrums
B-spline curve
bleach croft
both production and marketing thrive
bufords
Calayan rail
Caudine
cephalotaxuss
Chicama, R.
clenoliximab
commercial company partnership
common blackbird
common dab
corpora vertebrae
deep penetration electrode
development of manpower
direct securities
DMing
docimology
dumose
dynamic resilience
echinopanax oplopanax
eta factor
Exchange of assets
family Ranunculaceae
fex
fission event
fretwire
fromthe
gecas
godsel
gulus costa
hobits
indicated deposit
jeep-eagle
joke about
Kanin, Poluostrov
Kuhn-Tucker theorem
KW power
liepectomy
linguo-axial
ma-in-law
Maebashi
maghs
magnetic read/write compatible head
male fern oil
marine laws
masturbatory
mepachymerus (steleocerellus) ensifer
mesenteric thrombosis
Microchaetaceae
misimplement
Māmātāwa
naumachy
nomenclaturist
NTF (no trouble found)
NUSL
Oil Violet
oxoishwarene
peril of sea
phylum Arthropoda
placabilities
poetasters
previous calcining
put one's back up
R-Tannamine
radio-frequency band
Record Owner
red top filter
relay winding
renegotiable
rigidimeter
sailoring
sampling efficiency
semantic memories
sense of beauty in medicine
sesquilinear form
silicoil
speed tuning circuit
squeegee mop
state scientific and technological innovation system
steering clutch pressure plate
sterna
stratospherical
takeoff zone
technical position
thaweth
tocladesine
ungrab
varying frequency starting
vermillion paint
yarmulkahs