[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
acetonamine
Allamakee
backs
bana
benzoyl glycine
carnosol
central ancillary unit
Cephalobaenida
charge balance
Chlamydoboea sinensis
clinology
close in on
compartment shield
corporis callosi splenium
counter-line
cutting edge with external bevel
data word wrap
desat
diffuse ray
disabling injury frequency rate
dozy
economical principle
elevated duct
extinguishment allowance
female receptacle
fog lamp
fruition
Greco-
Guiren Township
Harkany
HIV negative
hydroite
in the upper room
indicating recorder
information commissioner
Inherited Right Mask
initial ignition
interlaced line
interplanetary travel
iron-on
irradiation device
Kauertz engine
kikladhess
Kwanmobong
Kōnu
larsen's variation diagram
launching trajectory
least-square criterion
liquid coffee concentrate
low-ph
magnetoelectricity
malemort
message display
mould seam
moving chaingrate retort
naphthol green
nixing
nonillustrated
nonrusting steel
nontowered
ocular lobe
odori dou (japan)
palp-
passerinas
pectinariids
pedimeter
phanerochaete parmastoi
physopelta parviceps
Pisonero
pitch control oil pump
plain grinding machine internal
Rainy L.
randomized complete block design
reduction of cross sectional area
replacement bit
reselected
rusks
seawater-resistant grease
seizure resistance
shit nuggets
shoe-shops
skin-cares
sohags
SP-Sepharose
stage-management
stochastic-dynamical model
Sugawara Michizane
sulfide catalyst
symmetric test
systems and data processing
teel-oil
teletypewriter grade
theoretical fact
three-dimensional modeling
trimboli
ultrafur
uniformity predicate
uniquest
veratryl alcohol
washingmachine
white asparagus
zardaris