[医]红外线量子放大器,红外激光

Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of sme

发表于:2018-12-15 / 阅读(231) / 评论(0) 分类 新东方背诵文选

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(129) / 评论(0) 分类 2013年VOA慢速英语(二)月

研究报告:人类少吃肉对环境有好处 A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. 一份

发表于:2018-12-19 / 阅读(334) / 评论(0) 分类 VOA双语新闻 2012年4月

Voice 1 Thank you for joining us for Spotlight! Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Fires like this

发表于:2018-12-19 / 阅读(138) / 评论(0) 分类 环球英语 Spotlight

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

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 2015年Scientific American(一)月

Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of smell. In the course of evolution members of the prim

发表于:2018-12-30 / 阅读(124) / 评论(0) 分类 考研背诵50篇

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Five very old galaxies are now known to astrophysicists, thanks to Albert Einstein. A century ago, Einstein predicted an effect called cosmic gravitational lensing. Pictur

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(三)月

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(191) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(163) / 评论(0) 分类 2012年VOA慢速英语(一)月

Addressing Climate Change through Diet A new study says one of the best ways to curb greenhouse gas emissions is to eat less meat. In fact, the study says meat consumption in the developed should be cut by 50 percent per person by 2050. Meat producti

发表于:2019-01-13 / 阅读(132) / 评论(0) 分类 VOA标准英语2012年(四月)

The European Space Agency has launched into orbit, two space observatories that will help scientists understand the information of the universe. A visitor watches an Ariane rocket in an exhibition at the Gasometer in Oberhausen, western Germany, 01

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2009年(五月)

物理学 statics 静力学 motion 运动 inertia 惯性 gravitation 引力 relativity 相对 gravity 地心引力 vibration 震动 medium (media) 媒质 frequency 频率 wavelength 波长 pitch 音高 intensity 强度 echo 回声 resonance 回声,洪

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 托福英语

You've probably seen pictures of Greek villages, where every house is painted bright white. The paint reflects the intense sunlight of the Mediterranean. And it works pretty well to keep the houses from heating up in the sun. But it doesn't actively

发表于:2019-01-20 / 阅读(754) / 评论(0) 分类 2017年Scientific American(二)月

You've probably seen pictures of Greek villages, where every house is painted bright white. The paint reflects the intense sunlight of the Mediterranean. And it works pretty well to keep the houses from heating up in the sun. But it doesn't actively

发表于:2019-01-20 / 阅读(140) / 评论(0) 分类 2017年Scientific American(二)月

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(189) / 评论(0) 分类 英语语言学习

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(164) / 评论(0) 分类 VOA常速英语2007年(十一月)

Calsphere 卡尔斯菲尔美国拦截卫星 CAMEO(Chemically Activated Mater. Ejected inOrb.) 卡梅欧(轨道放射化学激活物质)美国科学卫星 Canister 茶叶罐美国小型军事空间站 C

发表于:2019-02-06 / 阅读(142) / 评论(0) 分类 英文语法词汇

Voice 1 Thank you for joining us for Spotlight! Im Ryan Geertsma. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Fires like this

发表于:2019-03-04 / 阅读(180) / 评论(0) 分类 环球英语 Spotlight
学英语单词
absorber rod runaway
actinal surface
adjustment of actual total loss
amphitrophic
Antallin
anti-arts
anticholesterolemic
aphetic
athyroglossa frera
autocancel
auxiliary valence
balanced three-wire circuit
bioerror
biological wastewater treatment
blind copy recipient
brake protecting relay
Bs F
burned-over
Carnoy's solution
catalystic oxidation
Cewice
Chaplyne
cochlespira pagoda
coffee service
commercial software
convergent angle
conversion by taking
Corpus unguis
cymatium gutturnium
Dasyeae
debugging plan
decontaminable paint
dederman
editing function
electrepeter
fetotoxicity
flow baffle
flow of energy
flower-pieces
glean from
ground loops
groundsheet
guilties
hanselin
high-solid high-acid food
hyperpyretic
interlinkage flux
inverted metallurgical microscope
kelvinbridge
Killeagh
kilovolt-ampere hour
loading and unloading of cars in train
lumefantrine
magnetic blowout
mental gland
MI (moment of inertia)
mitre-sawing board
mixing board
mobile unit substation
monoamine oxidase inhibitor (maoi)
monotonic structure
myr-
naruhito
oblique needling
oil based binder
optional succession
pass ... urine
pelvic plane of outlet
phreatomagmatically
picarde ratine
pneumodynamonmeter
postdivestiture
pseudocercospora chionanthi-retusi
queueing theory
range of motion
rasterizes
relative abundance of species
renewal of hostilities
reverse power tripping
safety catches cam
schermerhorn
Schoepfia chinensis
screw base receptacle
Seal Beach
shafto
sheet-fed rotary letterpress
siklatoun
single action cylinder
social studies of science
speed of circulation
sprayer nozzle
spring breeze
St. Nick
standard edition
tabl
tearer
tectospinal
termitomyces eurhizus
titanium(iv) iodide
warrant to subscribe
Yeongdong
yonkers