大气放射性

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(356) / 评论(0) 分类 自考英语(一)78讲

This is Whats Trending Today When it comes to weather, it is hard to sound more frightening than to call a storm a bomb cyclone. 谈到天气,很难听到什么比炸弹旋风更可怕的了。 But that is how weather experts are describing a huge

发表于:2018-12-08 / 阅读(496) / 评论(0) 分类 2018年VOA慢速英语(一)月

如果有一天,地球真的要毁灭了,那么我们就能用一下备胎行星了以前只有太阳系的几颗,现在又找到了7颗!哪天科学家带我们去逛逛吧! For planet-hunting astronomers seeking twins or even cousins of E

发表于:2018-12-17 / 阅读(184) / 评论(0) 分类 英语笔译

Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Anne Muir. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 3 You have got to go in spring. I

发表于:2018-12-19 / 阅读(212) / 评论(0) 分类 环球英语 Spotlight

MR CAVORS FLYING MACHINE When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon. As it had neither wings nor an engine, I was amazed and asked him how his machine could fly. The secret lay in

发表于:2018-12-29 / 阅读(244) / 评论(0) 分类 人教高中英语高二

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 Scientific American(七)月

The National Oceanic Atmospheric Administration [NOAA], spends most of its time trying to understand and predict changes in the environment, along with conserving and managing coastal and marine resources. But its scientific expertise also just made

发表于:2019-01-08 / 阅读(186) / 评论(0) 分类 Scientific American(九)月

Mr Cavors Flying Machine When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon.As it had neither wings nor an engine,I was amazed and asked him how his machine could fly.The secret lay

发表于:2019-01-09 / 阅读(364) / 评论(0) 分类 高中英语听力人教版第二册

HARI SREENIVASAN: You may have seen the documentary Blackfish that examined the treatment of killer whales at SeaWorld Orlando. Now at the Miami Seaquarium, another controversy is brewing over a whale named Lolita. The National Oceanic and Atmospheri

发表于:2019-01-27 / 阅读(200) / 评论(0) 分类 PBS访谈环境系列

In the spring of 1904, Rutherford traveled to London to give a lecture at the Royal Institutionthe august organization founded by Count von Rumford only 105 years before, though that powdery and periwigged age now seemed a distant eon compared with t

发表于:2019-01-29 / 阅读(171) / 评论(0) 分类 万物简史

Science and technolgy 科学技术 Geoengineering 地理工程学 Implicit promises 包含着承诺 A geoengineering experiment has come unstuck. But there will be more 地理工程试验取得突破。可期待更多。 FOR the past few years, a Eur

发表于:2019-01-30 / 阅读(308) / 评论(0) 分类 经济学人科技系列

According to the latest research, vehicles, coal-burning, airborne dust and industrial production account for 85 to 90-percent of the major airborne pollution sources in most Chinese cities. Vehicles are the biggest polluters in Beijing, Hangzhou, Gu

发表于:2019-02-03 / 阅读(175) / 评论(0) 分类 英语新闻

WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac

发表于:2019-02-06 / 阅读(199) / 评论(0) 分类 英语新闻

New research suggests agriculture has greatly increased the amount of dust blowing off of West Africa, the world's largest source of atmospheric dust, and may have been one factor driving the decrease in rainfall in the region over the past several c

发表于:2019-02-07 / 阅读(266) / 评论(0) 分类 VOA标准英语2010年(七)月

WASHINGTON Folks sweating out the heat wave battering parts of the country may just have to get used to it. 美联社华盛顿 2010年7月8日消息:那些在肆虐美国部分地区的热浪中汗流浃背的人们也许只好逐渐适应这种天气

发表于:2019-02-07 / 阅读(192) / 评论(0) 分类 阅读空间

A diamond worth ?12,000 was shot into space this morning - and whoever finds it when it lands back on earth gets to keep it. 今天早晨一颗价值1万2千英镑的钻石被送入太空,在它落地后,谁能找到它,它就归谁。 A diamon

发表于:2019-02-08 / 阅读(226) / 评论(0) 分类 英语新闻

A alternate bearing 大小年结果 amendment 调理剂 ample 充足的 anatomical 解剖的 aneuploid 非整倍性(的) anion 阴离子 annual 一年生植物,一季生植物 anther 花粉囊,花药 anthocyanin [植]炭疽病 antibiotic 抗生

发表于:2019-02-09 / 阅读(304) / 评论(0) 分类 英文语法词汇

A scare in Japan over beef contaminated with radioactivity spread on Sunday, with more areas of the country reporting tainted meat. Japanese media say meat from 132 cattle that ate straw contaminated with extremely high levels of radioactive cesium h

发表于:2019-02-18 / 阅读(155) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Measurement 测量 Mass effect 质量效应 A better way to clean the world's one true kilogram 清洁世界上真正一千克的更好方法 IN SEVRES, on the outskirts of Paris, sealed beneath a triplet of bell j

发表于:2019-02-24 / 阅读(236) / 评论(0) 分类 经济学人科技系列

Science and technology. 科技。 Geoengineering. 地理工程学。 Implicit promises. 包含着承诺。 A geoengineering experiment has come unstuck. But there will be more. 地理工程试验取得突破。可期待更多。 FOR the past few year

发表于:2019-02-26 / 阅读(225) / 评论(0) 分类 经济学人综合
学英语单词
acoustic formula
active humus
angosturas
atonicity
back-load
bacteremic
Bahurim
Balanbaalle
baldi
basic debugger command
beetlebrain
CADMs
catch sb with his pants down
change one's tune
cobalt(ii) iodide
coiled key
cooling and dehumidifying coil
data escape character
differentiating titration
DNA replication DNA
down-trodden
dysendocrinia
Ehrlich's diazo reaction
excess letdown heat exchanger
fading bandwidth
Faxinal
final drive hub
fissocantharis taoyuanus tayuana
fore-topman
front office system
gate inverter
gluteal arch
government operated business
guillotene attenuator
half-supply voltage principle
hegemonizing
holboellia grandiflora reaub
hummocky topography
independent haulage
intermontane plain
ir imaging system (iis)
jerks off
L. Bar.
laboratory analysis
Lasianthus hirsutus
leontodon autumnaliss
liquid hourly space velocity
mafole
make no difficulties
measurement dissemination system
mercury-vapor lamp
monostand
multichannel electrocardiograph
multimagic
Myasul
myotubular
neurotransmitters
Nissl acid
nitroso-haemoglobin
nonfibrogenic
Nophah
nuclear installation
pack off out bag and baggage
parabolic cylindrical surface
pealius damanacanthi
Peck, Gregory
periodic neutropenia
polymeric amide
portable air velocity meter
private audit
pro-industrialization
protected dynamic storage
punched card machine (pcm)
put above
reassurers
repiloted
rotating shield
secondary member
send below
sensitive volume
slotted disk
Spatium retroperitoneale
Stafford, Sir Edward William
static lever arm
statment
subnavel
subsist on
subsurface water
superdimensioned
superior orbital fissure
taeniothrips eucharii
thorter ill
thought blocking
tiebar
trainsful
triuret
twittered
uniform cost accounting standards
vsb (vestigial sideband)
Zappa, Frank
zohra
zoneplate telescope