音标:['densifaiә] ;
增密设备(氯化物处理)

Ill pick you up in about twenty minutes, said Grandfather. The children scrambled out of the station wagon. When Grandfather said at breakfast that he needed to pick up some items hed forgotten at the grocery store, the children leaped at the chance

发表于:2018-12-06 / 阅读(170) / 评论(0) 分类 77 The Mystery of the Wild Pon

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(184) / 评论(0) 分类 创新英语

THE PRESIDENT: Hello, everybody. Now, let me just comment, first of all, on the fact that I can't get the networks to break in on all kinds of other discussions -- (laughter.) I was just back there listening to Chuck -- he was saying, its amazing tha

发表于:2018-12-18 / 阅读(153) / 评论(0) 分类 美国总统演讲视频

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(468) / 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(149) / 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(235) / 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(166) / 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(211) / 评论(0) 分类 2007年VOA标准英语(三月)

By Franz Wild Abidjan 24 May 2006 Charles Konan Banny greets villagers in Meagui In war-divided Ivory Coast disarmament and personal identification, the two obstacles to elections, saw partial success in a pilot program this week. There is little si

发表于:2019-01-13 / 阅读(188) / 评论(0) 分类 2006年VOA标准英语(五月)

Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The

发表于:2019-01-13 / 阅读(175) / 评论(0) 分类 VOA标准英语2011年(七月)

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(149) / 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(198) / 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(120) / 评论(0) 分类 VOA标准英语2011年(三月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(150) / 评论(0) 分类 VOA标准英语2011年(二月)

By Al Pessin Honolulu, Hawaii 20 October 2009 Command of U.S. forces in Asia and the Pacific and Indian Oceans passed to a new commander on Monday at a ceremony in Honolulu, Hawaii. Navy Admiral Robert Willard said the U.S. commitment to the region

发表于:2019-01-14 / 阅读(124) / 评论(0) 分类 VOA标准英语2009年(十月)

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(204) / 评论(0) 分类 英语语法 Grammar Girl

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(114) / 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(140) / 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(187) / 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(193) / 评论(0) 分类 VOA标准英语2010年(一月)
学英语单词
Abacopteris
acetoxycycloheximide
adaptive hypertext
airline correction
Alexeevka
anisochronous
anti-age
arbenz
ash blond
bias pulse
Boyer-Moore
Built-in galvanometer
by far ...
Citrus tachibana
classen's electrode
Clocaenog
compound terrace
conclusively presumed
concordia age
controllableness
Cordobés, Ar.del
cross recessed pan head wood screw
data breakpoint
dolichocephalisms
early life
entovarial canal
excessive leniency
false-flag
family Ophiodontidae
fetch above
fieldward(s)
fixed percentage of a declining balance
for saler
gharazi
gigantesco
Graseef's phenomenon
heat transfer equation
heteroalbumosuria
hidden form
horizontal-clamping point
horse lottery
image attenuation coefficient
Import Trigger Price Mechanism
interchange instability
jin chain hoist
kew magnetometar
lead hydrogen phosphate
Lingxu
low-surface lift
Lucatello's sign
luxury goods
Mandioli, Pulau
maximum load per axle
microamperes
middle novel
MODI
n.n.e.s
paracoquimbite (slavikite)
parallelogram inverter
payload bay
pearl molding
Pearl S Buck
phenylbutyrates
ployphagia
post heating
pretentoria
probable maximum storm surge
radar cross section
radiopure
reeling drum
refuse silk
rigor mortis
runecarvers
sale by standard
samon
skunk cabbages
small packets post
spirochaetaless
splenification
Starcke
static arrester
strickle pattern
strip burning
strip foundation
surface geothermometer
sweaple
Swertia conaensis
synodus doaki
temporal area
test section velocity
Ticonal
total iridectomy
tracklaying crane
transformerless receiver
tubulus
under the gun s
undersee
venturia pirina aderhold
virtual memory management
Wemco flotation machine
winter visitor
yesse