辐射对流热损失

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(413) / 评论(0) 分类 新概念优美背诵短文50篇

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(154) / 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(242) / 评论(0) 分类 新东方背诵文选

Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. Cancer treatments usually involve powerful drugs or radiation. But

发表于:2018-12-16 / 阅读(137) / 评论(0) 分类 VOA标准英语2010年(十)月

Scientists are putting a modern spin on a cancer treatment that goes back to antiquity. It's heat therapy, which is getting a new look with the help of microscopic particles of gold. 科学家们正在利用一种古代技术来治疗癌症。在纳米

发表于:2018-12-19 / 阅读(117) / 评论(0) 分类 VOA双语新闻 2010年11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(137) / 评论(0) 分类 Scientific American(十)月

嘉宾:Debbie Mason 话题:英国社会观察---女性创业者的酸甜苦辣Businesswomen 单词拼写: 1、Ensued:followed 2、Entrepreneurs:a pioneer who starts something, in particular a business 3、Condemnation:stronger criticism 4、

发表于:2018-12-27 / 阅读(118) / 评论(0) 分类 聆听悦耳英音

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(125) / 评论(0) 分类 考研背诵50篇

A Cool Sunburn A listener from Ontario, California wrote to A Moment of Science with a question her sons had asked her. The boys wondered why is it that when you get sunburned you often feel chilled. It really does seem like a contradiction: youve be

发表于:2018-12-31 / 阅读(109) / 评论(0) 分类 英语听力文摘 English Digest

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(123) / 评论(0) 分类 2017年VOA慢速英语(四)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(216) / 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(160) / 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(242) / 评论(0) 分类 2010年VOA慢速英语(七)月

听歌学英语:Aren't You Glad(陈奕迅) 《Aren't You Glad》是陈奕迅出道十一年来唯一的一首英文歌曲,由英国人Russell Harris作曲、填词,讲述了一个早期生活潦倒的青年人,遭到追求物质生活的女友的

发表于:2019-02-03 / 阅读(137) / 评论(0) 分类 听歌学英语

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(293) / 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(153) / 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(137) / 评论(0) 分类 英语新闻

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(149) / 评论(0) 分类 英语新闻

The hour hand on a clock moves about ten thousand times faster than the flowing rocks of the mantle. 钟面上时针的移动速度,比地幔岩石的流动速度,要快大约1万倍。 The movements occur not just laterally as the Earth's plates

发表于:2019-02-25 / 阅读(280) / 评论(0) 分类 万物简史

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:2019-02-25 / 阅读(134) / 评论(0) 分类 双语有声阅读
学英语单词
Adamit
Adyk
anatomical structures
Armed Forces Day
aspiration of soft cataract
atomic spectrums
back hoe
blenheim spaniels
brissett
Broca's convolution
Campo Florido
cognitively
commone
components test unit
continuous dynamic system
controlled potential electrolysis apparatus
cut-rate
cytokine storms
descaling bath
difference of elevation between inside and outside
diphenyl propane
ecological control
edge orientation
equivalent design flow
factitous
family Cuculidae
fraction
fuel preparation machine
fusible clay
ganglionervous
gas turbine principles
groundedly
gueffroy
in-place testing
innovation cost
inter company loss
internal political efficacy
joint ventures which combine production with market
key group
kgotla
Khutse
labyrinth disease
ladies'
legislative science
lenticularis dystonia
library of algorithms
limit-state design
line intersection
linear output horizon sensor
logging clearing
main run
maintaining power
meany
megalotocepheus japonicus
mens rea
metaphosphatase
mokuk
Monocentridae
N.A.L.G.O.
Nageire
number of spectral line
on full pay
oxygen tanker
pasty-faceds
patient-side
phenobarpital
polyura narcaea meghaduta
prechecked
pressure sterilization
rail-and-structural steel mill
reflew time
repeating motion
riflings
Rotorua
runny-nosed
scotch whiskeys
secret fixing
selective disclosure
self-operating control
semi automatic system
shaft-base system
single-beam null method
solid unit
spectrophotometric analysis
splitting scheme
streptamine
sulphonitrocarburizing salt
survey requested
Swertia patula
System V
tailing area
thiazole
throughest
tilt-a-whirl
trading efficiency
trip bottom
trypsinizing
validity of an argument
vowel recognition
weather tight superstructure
word separator
Youth must have its fling.