红外地球敏感器

What isis the future outside the Marilyn Science Center.it's a full scale model of NASA'S James Web space telescope.Scientist believe the real thing will redefine our understanding of our place in the universe. It will be so unique it can look furthe

发表于:2018-12-02 / 阅读(97) / 评论(0) 分类 CNN2011年(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

发表于:2018-12-02 / 阅读(80) / 评论(0) 分类 Scientific American(四)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(70) / 评论(0) 分类 环球英语 Spotlight

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 Scientific American(十二)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 2017年Scientific American(二)月

Very roomy. For a single-seat fighter it's spacious. Plenty of room to lay out stuff we carry with us. The nose is cut and you won't see any perpendicular surfaces go around. The four probes in the front are not machine guns. And they are not hologra

发表于:2018-12-30 / 阅读(64) / 评论(0) 分类 国家地理2007年

Where Do Rainbows Come From? Throughout history, rainbows have been a source of mystery and legend. Rainbows are also important symbols in a number of cultures around the world. In the Old Testament o

发表于:2018-12-31 / 阅读(108) / 评论(0) 分类 有声英文阅读

May: Oh, Mom, do you know where the liquid soap is? Mom: Right here, in that beautiful bottle. Push the button, you'll get it. May: Oh, Mom, you can use the wipe. It smells sweet. Mom: That's OK. I prefer the hand-dryer. Oh, where is the switch? May:

发表于:2018-12-31 / 阅读(94) / 评论(0) 分类 英语大赢家下册

Captain, you wanted to see me? 上尉,你找我 Dai tells me that you're doing a fair job of taking over for Scott. He did? 戴告诉我你在找人接手斯科特的工作。是吗 I can only hope he's right. 我只能希望他是对的 We think t

发表于:2019-01-01 / 阅读(90) / 评论(0) 分类 陨落星辰第二季

Aqua Technology 水资源监测科技 A new weather-monitoring satellite has been 30 years in the making, and some researchers think it's worth the wait. We'll speak with a scientist about the Aqua satellite -- on today's Earth and Sky. DB: This is Earth a

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 (科普英语)Earth and Sky

For the first time ever, astronomers have discovered a system of seven Earth-sized planets orbiting around a single star. The finding was announced Wednesday by officials from NASA the U.S. space agency and other research team members. The discovery

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 2017年VOA慢速英语(二)月

This is Scientific American's 60-Second Science. I'm Steve Mursky. Got a minute? Orbiting around stars far far away is sand. Astronomers have found sandy particles circling a pair of stars about 2,400 light years from us. And they think they might be

发表于:2019-01-08 / 阅读(122) / 评论(0) 分类 Scientific American(三)月

在宾馆的洗手间里,妈妈和阿美碰到一些小问题,干手器坏了。到底怎么解决呢? Listen Read Learn May: Oh, Mom, do you know where the liquid soap is? Mom: Right here, in that beautiful bottle. Push the button, you'll get it. May: Oh, Mom, you can use the w

发表于:2019-01-11 / 阅读(80) / 评论(0) 分类 英语口语大赢家

Hearing Aid Common in Europe Turns Up Volume in US More than 10 percent of Americans have some form of hearing loss. Even with a hearing aid, deciphering sounds in places like airports, theaters and places of worship can be tough. However, a not-so-n

发表于:2019-01-13 / 阅读(74) / 评论(0) 分类 VOA标准英语2011年(十二月)

There was a day, about 10 years ago, when I asked a friend to hold a baby dinosaur robot upside down. 大概10年前的一天,我让一个朋友头朝下地握持一个小恐龙机器人。 It was this toy called a Pleo that I had ordered, and I wa

发表于:2019-01-16 / 阅读(80) / 评论(0) 分类 TED演讲科技篇

Remember joysticks? Those old things you used to control your game characters? Microsoft is hoping that youll forget all about them this winter. Earlier this month, it unleashed Kinect, a controller-free motion-gaming device for the Xbox 360 console.

发表于:2019-01-19 / 阅读(68) / 评论(0) 分类 中英双语新闻

By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method

发表于:2019-02-03 / 阅读(178) / 评论(0) 分类 2006年VOA标准英语(七月)

When you're out shopping it can sometimes feel like you're always stuck at the end of the longest line. 外出购物,总免不了碰上排队这个老大难问题:长长的队伍似乎总排不完。 Shoppers know this age-old dilemma all to well

发表于:2019-02-06 / 阅读(53) / 评论(0) 分类 阅读空间

【原文】 Where Do Rainbows Come From? Throughout history, rainbows have been a source of mystery and legend. Rainbows are also important symbols in a number of cultures around the world. In the Old Testament of the Bible, for example, God shows N

发表于:2019-02-16 / 阅读(46) / 评论(0) 分类 英语听力广播—Listening

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(124) / 评论(0) 分类 环球英语 Spotlight
学英语单词
acceptable price range
Agency Cross
antenna masts
apollo alkaline fuel cell
arabicks
aristociclina
Baha'i Faith
Bobadilia, Franciscode
businesswomen
Calcarea(Calciospongia)
carbon adsorption
center keel
choleresis
come in flocks
CSIEM
Daugyvene
debrominative decarboxylation
deep space instrumentation facility (dsif)
deformational stress
descriptive dialectology
directcoupled transistor logic
elusion
Engong
Eretria
error log
fair uses
fest-
Finch,
flat condyloma
fore-rake
formyltetrahydrofolates
geekspeak
gimblett
glutamine synthetase
gray-jensen dryer
half speed gear
Hibiscus trionum
hold up as an example
home decoration
hourglassing
industrial robot language
integrated resistor
Islamocracy
item on display
javid
jejunocolstomy
kidney shaped cross section
lan manager host
made her bow
magnifying mouth mirror
make like a banana and split
marital communications privilege
matachia
methylene-citryl-salicylic acid
moeble
non-uniform gap
not sufficient fund check
nowells
OCP Cargo
p. & p
packing operation
PharmGKB
photooptical tracking data
piston rotation perdurability
polarization spectrometer
Polichnitos
Power Transformers
program evaluation and review thechnique
propellant cutoff mechanism
provisional budget
pseudo-graphite
pseudogeusia
PSSCD (probability of subsequent severe core damage)
Quirón, Salar de
radiogadolinium
relative resolution product
Sasaguri
schottisch
sequential data set
snap to guides
sphaerulina centellae
spleen opening at mouth
splitter plate
sprue mill
sucking-bottle
Svetlopolyansk
teleprocessing error record
Tesalia
thunderflash
topology of spacetime
transverse fiber
Unangan
unity gain
urochesis
varlets
visulizer
Vänjaurbäck
whettle-bones
wirtzs
xylophagid
yohimbine alkaloid
Yucca glauca