音标:[diː'vɪtrɪfaɪ] ;
vt. 使不透明;除去玻璃光泽
v. become crystalline
v. make (glassy materials) brittle or opaque

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(198) / 评论(0) 分类 创新英语

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

发表于:2019-01-02 / 阅读(502) / 评论(0) 分类 英语范文背诵20篇

Todays episode concerns a what-you-may-have-been-wondering-about topic. That sure was a mouthful, and it illustrates the problem of stacked modifiers, which occurs when you string together too many words to describe a noun at the end of the mouthful.

发表于:2019-01-02 / 阅读(171) / 评论(0) 分类 英语语法 Grammar Girl

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(252) / 评论(0) 分类 60秒科学

Grammar Girl here. Today guest-writer Bonnie Trenga is going to help us take a break from serious grammar and instead delve into the world of comedysome intentional, some not. Groucho Marx said it best: One morning I shot an elephant in my pajamas. H

发表于:2019-01-07 / 阅读(187) / 评论(0) 分类 英语语法 Grammar Girl

By Dan Robinson Capitiol Hill 16 March 2007 Former undercover CIA officer Valerie Plame, who has been at the center of a controversy involving the role White House officials played in revealing her identity, has testified in public for the first tim

发表于:2019-01-08 / 阅读(222) / 评论(0) 分类 2007年VOA标准英语(三月)

By Kurt Achin Seoul 27 April 2006 The World Trade Organization has canceled a minister-level meeting scheduled for late April, admitting that members are not ready to meet a deadline for a trade liber

发表于:2019-01-09 / 阅读(201) / 评论(0) 分类 2006年VOA标准英语(四月)

By Meredith Buel Washington 17 November 2006 Recent elections for the U.S. Congress and continuing bloodshed in Baghdad have renewed debate over whether there should be a timetable for American-led coalition forces to leave Iraq. Many critics of the

发表于:2019-01-12 / 阅读(191) / 评论(0) 分类 2006年VOA标准英语(十一月)

North Korea has told international agencies it will conduct its planned launch of what Pyongyang says is a satellite in early April. North Korea's launch of a long-range rocket became all but inevitable as Pyongyang informed international agencies i

发表于:2019-01-13 / 阅读(166) / 评论(0) 分类 VOA标准英语2009年(三月)

NASA Identifies Shuttle Endeavour's Heater Glitch NASA says engineers at Kennedy Space Center believe they have identified the cause of the heater failure that forced the postponement of the launch of the shuttle Endeavour. NASA technicians say the f

发表于:2019-01-14 / 阅读(167) / 评论(0) 分类 VOA标准英语2011年(五月)

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(213) / 评论(0) 分类 VOA标准英语2011年(四月)

The International Committee of the Red Cross is appealing for access to all areas of conflict in Libya as fighting intensifies. The president of the ICRC, Jakob Kellenberger, says the conflict in Libya has descended into civil war. He says he is alar

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2011年(三月)

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(231) / 评论(0) 分类 英语语法 Grammar Girl

By Jim Malone Washington 13 April 2006 Confessed al-Qaida conspirator Zacarias Moussaoui complained about his defense lawyers Thursday during his sentencing trial in Alexandria, Virginia, just outside

发表于:2019-01-31 / 阅读(207) / 评论(0) 分类 2006年VOA标准英语(四月)

By Deborah Tate Capitol Hill 04 August 2006 Among the last issues to come before the U.S. Senate before lawmakers began their August recess were cybercrime and cybersecurity. Senators ratified an international treaty aimed at cracking down on crimes

发表于:2019-02-05 / 阅读(215) / 评论(0) 分类 2006年VOA标准英语(八月)

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(143) / 评论(0) 分类 英语新闻

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(160) / 评论(0) 分类 英语新闻

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

发表于:2019-02-08 / 阅读(220) / 评论(0) 分类 英语新闻

Leaders of the Greek and Turkish communities of Cyprus are starting a new series of negotiations aimed at re-unifying the divided island. Cypriot President Demetris Christofias and Turkish Cypriot leader Mehmet-Ali Talat have begun a series of three-

发表于:2019-02-11 / 阅读(213) / 评论(0) 分类 VOA标准英语2010年(一月)

By Al Pessin Kansas 18 December 2006 Army training troops who will serve as advisers to the Iraqis are seen in Fort Riley, Kansas, 28 Oct 2006 In the raging debate over the future of U.S. policy toward Iraq, there is one point on which all sides see

发表于:2019-02-12 / 阅读(248) / 评论(0) 分类 2006年VOA标准英语(十二月)
学英语单词
acromantis australis
aecidiospore
airgetlams
airstream
anectodical
Antiepileptica
apotransaminase
arc spot welding
Assat
awns
band bending
base locator linkage
be endued with
best-of
bounce dive
brain operation
Bryonia alba
centrifugal moisture of soil
chill box
Chireix modulation
churchwarden's pew
Chusovskoy Rayon
close-grained pig iron
co-cola
co-secretaries
conceptismo
consumable electrade
crossing safety
cussingly
dance music
deceptive attack
delmars
DES
digital marketing
Domagoj
environmental control engineering
erratra
espanol
extensional set
fish bone
five-spice powder
floated rate-integrated gyro (frig)
gas enclosure
Gaussian error
haxey
holonotal shield
idle-ups
indigences
Infiernillo, Pta.
ingoted
interference susceptibility
just suspicion
kinradite
light ray pointer galvanometer
line log amplifier
line-colour
lunar dust
marginate-depressed
mccain
misinsertion
nanoasperity
nuclear-fuelled boiler
oil-heating system
osseous lacrimal canal
papular acrodermatitis of childhood
pedagogical tradition
PHM-27
piezo-gauge
pleide
present difficulty
pressure pneumatic conveyer
primary speed
proper subcontinuum
putting circle
queens of the may
Quranologist
rather level areas
relateable
rice wines
scleroderms
self-adhesive paper
side car
skhirats
sorees
sound filmstrip
splenii
spouse abuse
stourm
tail spin
tape verifier
the division of labour
thread-switch
Tobias George Smollett
toroidal pinch
two sheave block
two-taileds
underdeck operation
unicoloratus
viring-rope
washer for turbine generator screw lock
water proof asphalt mastic
well posed problem