红外光电阴极

[00:04.49]home homework [00:07.92]n.家;家乡,本国a.家庭的;家乡的,本国的 n.课外作业 [00:11.34]homeogeneou honest [00:13.77]a.同种类的,同性质的,有相同特征的 a.诚实的,正直的,老实的 [00:16.20]honesty honey hono(u)r

发表于:2018-11-30 / 阅读(196) / 评论(0) 分类 考研英语词汇2005

Senate Democrats are preparing to drop a plan to allow the near elderly to buy coverage in the Medicare program as part of their health bill. NPR's Julie Rovner has more. The so-called Medicare Buy-in would have allowed those age 55 to 64 to buy cove

发表于:2018-12-17 / 阅读(72) / 评论(0) 分类 2009年NPR美国国家公共电台12月

Now the technology around what the truth looks like is progressing on, the science of it. 现在的测谎技术正在日新月异地发展。 We know, for example, that we now have specialized eye trackers and infrared brain scans, 比如说,我们有

发表于:2018-12-19 / 阅读(82) / 评论(0) 分类 TED演讲教育篇

A volcano in Iceland had been dormant for more than 180 years. But then a few weeks ago, this started. The volcano is erupting, and some scientists say it could last for more than a year. That's about how long it went the last time this happened,th

发表于:2018-12-20 / 阅读(122) / 评论(0) 分类 CNN2010年(四)月

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(93) / 评论(0) 分类 Scientific American(十二)月

A planet sees what we see, a planet sees light. Danel ** director of NANA center for planet boi-sciences at tele university, and the author of a new book, what a planet knows?. so he takes someone who is completely blind and by observe in some way gi

发表于:2018-12-24 / 阅读(81) / 评论(0) 分类 Scientific American(六)月

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(114) / 评论(0) 分类 有声英文阅读

中国船只搜寻失踪航班 SOUTH CHINA SEA, March 10 (Xinhua) -- Two rescue vessels sent by the Ministry of Transport (MOT) will conduct parallel search works for the missing Malaysia Airlines flight, said command authorities on Monday. Rescue ve

发表于:2019-01-07 / 阅读(90) / 评论(0) 分类 英语新闻

This podcast is brought to you by the American Chemical Society. The global challenges chemistry solutions podcast from ACS discusses how chemistry research is critical in solving some of the world's most daunting problems, concerning energy, food an

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(十一)月

How Do You Save Unwanted Babies? From VOA Learning English, this is the Health Lifestyle report. On a cold December day in 2014, the body of a newborn baby girl was recovered in Indianapolis, Indiana. The body was found off a snowy path in a public p

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 2016年VOA慢速英语(六)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(84) / 评论(0) 分类 TED演讲科技篇

历年考研英语的高频单词( 3 ~ 13 次) 历年考研英语的高频单词( 2 次) in prep.[表场所,位置]在...里面,在...中;[表时间]在...期间,在...以后;[表状态]在.

发表于:2019-02-01 / 阅读(164) / 评论(0) 分类 考研英语

A new UK passport design was launched Tuesday with tougher security measures - but immediately sparked a sexism row. 英国新版护照的设计图周二(11月3日)发布,安全措施更严格,却立刻引发了一场性别歧视口水战。

发表于:2019-02-05 / 阅读(67) / 评论(0) 分类 阅读空间

Experts say that some of our most innocent habits could induce serious damage to our skin. With these little shifts, you'll outsmart them all and stay smooth and lovely. 专家告诉我们,一些我们平时经常忽视的生活习惯也能减少对皮

发表于:2019-02-05 / 阅读(100) / 评论(0) 分类 趣味英语

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(56) / 评论(0) 分类 阅读空间

You may have thought all superyachts were created equal. But according to one designer, there is a gap in the market for vessels targeted at the fairer sex. 也许你会觉得超级游艇的建造不分性别,但据一位设计师表示,市场上针

发表于:2019-02-11 / 阅读(107) / 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(48) / 评论(0) 分类 英语听力广播—Listening

Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾,其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.

发表于:2019-02-16 / 阅读(89) / 评论(0) 分类 经济学人科技系列

China on track to 12 operational J-20stealth fighters in 2017 for airpower edge over other countries in Asia 中国计划在2017年部署12架J-20隐身战机以取得对其他亚洲国家的空中优势 In July 2016,the Chengdu Aircraft Corporation

发表于:2019-02-16 / 阅读(64) / 评论(0) 分类 英语新闻

With a variety of bands, and price tags ranging all the way from $349 $17,000, theres an Apple Watch for everyone. Except, possibly, the heavily tattooed. 面向大众推出的Apple Watch,款式多样,价格从349美元到17000美元不等。现在

发表于:2019-02-17 / 阅读(96) / 评论(0) 分类 阅读空间
学英语单词
ad extremum
anatotitan
animal stuffers
annulment
appairs
Avalon Pen.
bacala
backsolution
bake-outs
barehanded
BCG vaccine
bearded collie
birth defects
browse information file
buckell
carbide forming element
cargo port brow
carry a bone in her teeth
cell design
cesium salicylate
Chelodina
chromium citrate
Clematis rubifolia
coastal cave
combustible dust
counterplots
coupled rangefinder camera
cumic alcohol
cylinder jacket
dey-wife
Dial-a-Joke
electronic recognition system
enantiomorphic(enantiomorphous)form
enis
episcopate
epode
estimate by ratio
facial index
faiman
false declaration
fevereth
floating roof drain
flowline boom
fopirtoline
for use
foreign merchants
geminal fibers
global addition
goodpaster
guarri
Guindulman B.
hash brownie
high population
high-output three-phase induction motor
hocker
Ilemera
indirect electric heating
jezioro
Kelcaloy
kykes
lackey moth
larra fenchihuensis
lean moulding sand
Lindstedt equation
maize army worm
martexr
matolcsy
maximal breathing capacity
meash
medium scale integration
mistutor
molecular field method
narrow-beam transmission
Neo-Ventrisan
noise sickness
oil prodution industry
pawnbroking
penny-rot
photids
product advertising
pumpkin beetle
punched card tabulator
re-surfaced
redeposits
retrocurved
rolling drawing
sleep sth off
specie exporting point
spermaticidal
steadman system
streaky migmatite
sub-lieutenant
swampily
swing plow
terminolic acid
thrust block shaft
tin diethyl oxide
under weigh
venous blood vessel
violin concertos
volume of flood
write-in candidate