光耦合器件

EXPLORATIONS -February 6, 2002: Increasing Hubble’s Power By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with the VOA Special English program EXPLORATIONS. Today

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 Explorations

Scientists know all about the therapeutics qualities of blue and red light. But until know, sufferers of acne have to go to hospital to benefit from it. But Lumie, the manufactures of this new LED device hope it would see light therapy moving to the

发表于:2018-12-11 / 阅读(112) / 评论(0) 分类 万花筒2009年

Play VideoHuawei's latest smartphone, boasting a three lens, AI-powered camera has been officially launched in France. The new P20 Pro device follows in the footsteps of competitors Apple and Samsung's latest releases by focusing on the camera's capa

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 2018CRI中国国际广播电台

Short Conversation 询问有关产品方面的问题 A:Can you explain this product to me? B:Our device analyzes material without damaging the product.Just point the infrared light to a target and the machine gives you numeric data. A:Very interest

发表于:2018-12-27 / 阅读(108) / 评论(0) 分类 英文导学

3. This success, coupled with later research showing that memory itself is not genetically determined, led Erics-son to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子主干是

发表于:2018-12-30 / 阅读(130) / 评论(0) 分类 考研英语长难句讲解

A: I am kind of confused about the in-flight instructions and need to ask you a few questions. B: It would be my pleasure to help you with any questions you might have. A: Where is that card that shows my nearest exit? B: That card is in the seat poc

发表于:2018-12-30 / 阅读(140) / 评论(0) 分类 旅游英语对话

A: Would it be all right if I asked you a few questions about your in-flight instructions? B: I would love to help clarify any questions you might have. A: When you were talking about the nearest exit, what were you talking about? B: Theres a card in

发表于:2018-12-30 / 阅读(138) / 评论(0) 分类 旅游英语对话

A: Can I ask you some questions about the in-flight instructions? B: I would be happy to help you clarify anything you need help with. A: Could you help me find out where my nearest exit is? B: There is a card in your seat pocket that shows you where

发表于:2018-12-30 / 阅读(160) / 评论(0) 分类 旅游英语对话

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-02 / 阅读(129) / 评论(0) 分类 60秒科学

There are no scare poles ,no pain killing injections needed for this skin cancer treatment ,a harmless cream and a special plaster are all it takes. Inside the device,a tiny LED light activates a drug in the cream to create a toxic chemical that kill

发表于:2019-01-07 / 阅读(138) / 评论(0) 分类 万花筒2010年

Scientists know all about the therapeutics qualities of blue and red light. But until know, sufferers of acne have to go to hospital to benefit from it. But Lumie, the manufactures of this new LED device hope it would see light therapy moving to the

发表于:2019-01-09 / 阅读(190) / 评论(0) 分类 英语杂谈

DEVELOPMENT REPORT - Shining a Light on Water to Prevent Infections By Jill Moss / Broadcast: Sun, 11 Nov 2007 16:00:00 UTC This is the VOA Special English Development Report. Viruses, bacteria and other organisms in dirty water sicken hundreds of m

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 VOA慢速英语2007年(十一)月

AS IT IS 2014-03-16 Device Finds Malaria Infections in Seconds 通过医疗设备发现人体内疟疾感染只需几秒钟 Hello, and welcome to As It Is, from VOA Learning English. Im Steve Ember in Washington. Today on the program, we report on ho

发表于:2019-01-12 / 阅读(187) / 评论(0) 分类 2014年VOA慢速英语(三)月

[00:02]A:Don't work me. [00:04]L:I'll walk you through collecting the evidence. [00:07]Just describe the restraints. [00:23]A:They're strange-looking handcuffs. [00:25]They look more like old shackles or something. [00:33]And her feet are are b

发表于:2019-01-14 / 阅读(167) / 评论(0) 分类 英美人天天都在说的4000句:跟着影视学最真实的口语

3. This success, coupled with later research showing that memory itself is not genetically determined, led Ericsson to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子的主干是

发表于:2019-01-16 / 阅读(202) / 评论(0) 分类 考研英语长难句讲解

And I'm not sure how to fix it because I'm only a scientist. 我只是个科学家,不知如何解决这个问题。 But maybe one way to do it is to go back to the more natural way of communication, which is a dialogue, 但或许有个可行的方法

发表于:2019-01-18 / 阅读(168) / 评论(0) 分类 TED演讲科学篇

At this time of year, the schools have tests of all kinds for the children. Reading and writing tests, math skills tests, and tomorrow, there will be hearing and vision tests for the whole school. If you think about it, the two last mentioned tests a

发表于:2019-01-28 / 阅读(123) / 评论(0) 分类 英语博客 A cup of English

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(182) / 评论(0) 分类 实用英语

如今,高端大气上档次已经成为众人耳熟能详的网络用语,凭借其无与伦比的受欢迎度,高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语,到底

发表于:2019-02-08 / 阅读(174) / 评论(0) 分类 英语口语

Joe Hollier, a 25-year-old former skater turned technology entrepreneur, describes the moment of transcendental calm when he gave up his smartphone. Mr Hollier had started going light, leaving behind his high tech pocket companion and disconnecting f

发表于:2019-02-18 / 阅读(143) / 评论(0) 分类 英语新闻
学英语单词
17-ketosteroid(s)
agreed price
ahyperlipoidemia
airfoil-fan
Aitoff equal-area map projection
alkali cleaner
allatectomized
anathemization
at the summit of
australomussa rowleyensis
bally stand
big-leaguers
bilbaocatch
black-level control
calvia quadrivittata
caplows
Cefradine-Xincat
clean up barrel
cloud nine
coatiss
coding check
current comparison protection
cylinder index table
deglutathionylating
dismortgaged
Dock's Regulations
dog-shit
double augmented interval
eastern narrow-mouthed toads
edible bird's nest
EDP (electronic data processing)
endophytic parasite
ethylenediamine tartrate
exters
fashion victims
first degree
foo-foo juices
glacierization
glauber formula
hexacene
high-volatile c bituminous coal
Hooverism
ignition-temperature
impotent neutrophil syndrome
insurance premium
intonsa
karathane
Karell's diet
kit-kat club
kokkinakis
late-filing
law of citations
luisetti
lymphangioplasty
market-building
meet one's liabilities
megaselia (megaselia) trochanterica
mesaconine
metering plug
minimum-loss matching
mother processing ship
Nernst potential
noncontinguous
oilex
Ophiocara
penny ante pokers
phonoelectroscope
picked-up
plum blossom
pre-render
precision magnifier
private-land
proceeding with
pygosceliss
quarter hour
RCPSC
role norm
rural radio service
schuyt
semiregularity
sense of balance
servomechamism
shaohsing wine
share cover
Smilax kwangsiensis
smokestop
statuit
sterility test medium
strength test pressure
suffragated
suffulted pupil
suitelike
switching torque
sword-belt
tactical realism
thorakion
triphylines
ultrasonic hologram
unmotorized
wappenshawing
war-chalking