磁感应泵浦激光器

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(94) / 评论(0) 分类 VOA常速英语2008年(四月)

(Hey, how are you? How are you doing? What's going on?) Taylor Swift: Seeing Britney tonight will be amazing. I met her once when I was 15, and she just came off like such a sweet person. And I want her to win. I want Britney to take the world over a

发表于:2018-12-11 / 阅读(64) / 评论(0) 分类 万花筒2008年

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(84) / 评论(0) 分类 2013年VOA慢速英语(二)月

Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part

发表于:2018-12-16 / 阅读(87) / 评论(0) 分类 2014年VOA慢速英语(十二)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(八)月

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

发表于:2018-12-30 / 阅读(140) / 评论(0) 分类 每日攻克5词

图片1 Everyone at Culips is especially pumped because the summer weather has arrived in Montreal. So, we thought we would make an episode all about feeling excited and full of energy! Here we look at the expressions of pumped up, fired up, stoked,

发表于:2019-01-01 / 阅读(78) / 评论(0) 分类 英语博客-北美风情

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 2017年VOA慢速英语(七)月

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(140) / 评论(0) 分类 2013年VOA慢速英语(五)月

By Jessica Berman Washington 19 November 2009 A new study has found that oceans are struggling to help regulate climate as more carbon dioxide, a leading greenhouse gas, is pumped into the atmosphere. The ocean absorbs more than one-quarter of all o

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2009年(十一月)

New Skateboard Defies Gravity WASHINGTON A futuristic dream only a couple of decades ago, the hoverboard a skateboard that floats above the ground - has finally been made possible. While still not ready for mass production, it promises to become a co

发表于:2019-01-14 / 阅读(73) / 评论(0) 分类 VOA标准英语2014年(十一月)

NOEL KING, HOST: Centuries' worth of shoes are getting oohs and aahs at the New-York Historical Society. The shoes are from the personal collection of shoe designer Stuart Weitzman. The exhibit is called Walk This Way, and NPR special correspondent S

发表于:2019-01-17 / 阅读(70) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Dialogue 2 Xiao Gao: So? What did you think? Wasn't it fun watching these movies? 小高:怎么样,你觉得看这些电影有意思吗? Jingjing: Yeah, it was,but I'm not completely satisfied yet. 京晶:确实挺有意思的,但是我还意

发表于:2019-01-23 / 阅读(70) / 评论(0) 分类 英语PK台

Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve

发表于:2019-01-26 / 阅读(66) / 评论(0) 分类 英语听力文摘 English Digest

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(116) / 评论(0) 分类 VOA常速英语2007年(十一月)

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(116) / 评论(0) 分类 英语新闻

《Pumped Up Kicks》是该独立流行乐队Foster the People发行的第一支单曲,并且收录在了乐队的第一张同名EP中。这支单曲的曲子写于歌词前,节奏明快带有重低音并且混合了电子和原声两种不同的元

发表于:2019-02-11 / 阅读(74) / 评论(0) 分类 英文特辑精选

现代汉语中有不少词都是英语外来语,High这个词就常和汉语一起混用,可是它真正的意思并不是开心,今天Jenny和Adam要来谈谈美国人怎么使用high。 High有什么问题? 大家都很熟悉high的中国式

发表于:2019-02-15 / 阅读(55) / 评论(0) 分类 美国文化脱口秀

Most of the oil has now been pumped out of the ship, the Rena, which hit a reef on October 5th. The ship carried 1700 tonnes of heavy oil. 350 tonnes leaked into the sea. This oil killed more than 1300 sea birds and polluted the sand and rocks around

发表于:2019-02-17 / 阅读(76) / 评论(0) 分类 新西兰英语

今天早上 Larry 和李华和一对朋友 Charles and Lisa 约好了一起去打网球.李华会学到两个常用语: pumped 和iffy. LL: I'm really pumped about today's tennis match. How about you, Li Hua? LH: 你对今天的比赛怎么啦? Pumped?你是不是说你很紧张啊? LL: No, I'm

发表于:2019-02-20 / 阅读(139) / 评论(0) 分类 美国之音《流行美语》
学英语单词
achillobursitis
aluminium gaskat
armina
at a distance of
autotech
average monthly sales
Banapur
be in sb's shoes
befreed
Bol'shoy Oleniy, Ostrov
Borgo-lavezzaro
branched chain peptide
brilliantly clear juice
calliopids
chock gauge
circle clamp
cold climate with moisture winter
coma hepaticum
compendious dictionary
concordant xenotransplantation
constructive engineering
coordinating review authority
cornerpieces
credit risk insurance
Cristais
crossbill
cryptochetum (cryptochetum) grandicorne
decision making under risk
demyelinating encephalopathy
denaturalizing
deser storm
digital-computer code
disincarcerate
double dotted note
fairy spot
Fuckgirl
funiculus ventralis
gilgun
gross sum
gyny
harringtomine
Helleborus thibetanus
idritsa (idriza )
ion combination
iron picture
kirkuks
lauric aldehyde
like a cork
lozes
main current
mammaplasties
maranda
mckune
methanol oxidation
metopantrum
millim
monse
mtran
multiwall vessel
mutual authentication
Nebuchadrezzar I
neighbours
non-expansion steel
nortada
not long for this world
packing groove
passacaglia in c minor
Pieter Brueghel
Pim1p
Plant-cytology
plastic chair
Prestrud Inlet
progressive recurring dermatofibroma
proliferative lymphadenitis
public meeting
Pyrenocarpa
qanbar
radar resolution
raffle ticket
rafute
red-alerts
request notes
Riverview Farms
rlpa
robler
sailormen
seyntware
shooting glove
sound pressure compensation method
starting-times
striking plates
summing bus
swan-necked davit
term of art
test ground rules
theory-value distinction
Tiganasi
truncated cone
tuberculin-bacillen-emulsion
welded ends
Winolate