红外线发光二极体

[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(296) / 评论(0) 分类 考研英语词汇2005

auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe

发表于:2018-12-08 / 阅读(135) / 评论(0) 分类 电信英语

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(119) / 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(136) / 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(193) / 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(144) / 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(180) / 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(170) / 评论(0) 分类 有声英文阅读

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 英文名句短语

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(148) / 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(131) / 评论(0) 分类 Scientific American(十一)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(146) / 评论(0) 分类 TED演讲科技篇

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(123) / 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(153) / 评论(0) 分类 趣味英语

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(171) / 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(101) / 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(151) / 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(119) / 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(149) / 评论(0) 分类 阅读空间

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(118) / 评论(0) 分类 英语新闻
学英语单词
a chippy
a needle in a bottle of haystack
advanced waste treatment
after yards
age of air mass
agrudalf
air traffic control center (atcc)
air-fares
Apple Qaeda
applicable equipment
arianize
Arkalochori
Arlen, Michael
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articles amendment
articulated mirror
bajpai
Bank of America
becherer
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bordeau red
bring suit
Bruja, Pta.
centralized dictation system
checkrowed
clearance to ground
consolidated appropriation bill
corrugated-metal
country hams
damaged strength rating(dsr)
decantating
destination task queue depth
differential negative resistance
directive coloration
disincorporated
dog-collar worker
dorff
elastic failure criterion
electronic food defroster
electronic vacuum dilatometer
equal observation
Etruria marls
Export-Import Bank of Japan
extraordinary gain and loss
feed reflector
funcamental
gear changing by foot
getback
government telephone calls
henry luces
initial-steam flow rate
ink drum
irregulars
kaenaea samarangae
key process
likelihood axiom
maggiolate (italy)
malkmus
metakinesis
metropolitan shift system
mewe
mowrah meal
muridke
Nipigon B.
noontide
occurrences energy
one's blood runs cold
operatress
perineorrhaphy
plasma reformer
Plica longitudinalis duodeni
Poeumoencephalogram
polygamous flower
pordenones
Pran Buri
Priabonian
quizmistresses
riling
Ripi
salzillo
screenoriented
second-hand brick
sentimentalists
Separability of Arbitration Agreement
settling amount
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slinkers
spirurian
sulcus arteriae subclaviae
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Tammann furnace
thermo isodrome
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thruput
totipalmate foot
txa
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yarn stand
zoanon