高像差激光束

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(117) / 评论(0) 分类 VOA常速英语2008年(四月)

澳洲流行天后 Kylie Minogue 最新MV《Crystallize》!小女孩演绎还没当歌星前的凯莉,拿着梳子对着镜子忘情歌唱,热舞。一代歌后的成长史呀,很励志的一首歌,有梦想就要去追逐。 歌词: When

发表于:2018-12-14 / 阅读(98) / 评论(0) 分类 流行英文歌曲

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(101) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(85) / 评论(0) 分类 VOA标准英语2014年(二月)

I'd like to start with a short story. 我想先讲个故事。 It's about a little boy 有个小男孩 whose father was a history buff 他父亲是个历史爱好者, and who used to take him by the hand 常牵着他的手 to visit the ruins of an

发表于:2018-12-18 / 阅读(76) / 评论(0) 分类 TED演讲科技篇

01 Reading Product Reviews GLOSSARY on the fritz not working very well; undependable and likely to break soon * Their computer is on the fritz, so they have to save their files every few minutes. highly-rated determined to be of good quality compared

发表于:2018-12-26 / 阅读(176) / 评论(0) 分类 2011年ESL之旅行交通购物

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(120) / 评论(0) 分类 不择手段背单词

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(115) / 评论(0) 分类 2017年VOA慢速英语(七)月

影片对白 Becky: So then what happened? Annie: So then I left, obviously. Becky: You were standing in the middle of a street? Annie: You know that dream where you're walking down the street naked and everyone is looking at you? Becky: I love that dre

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 影视英语

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 2005年NPR美国国家公共电台

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(186) / 评论(0) 分类 英美文化

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(162) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: 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

发表于:2019-01-12 / 阅读(131) / 评论(0) 分类 2012年VOA慢速英语(一)月

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(190) / 评论(0) 分类 美国习惯用语

A: So, now I need your help again, if you don't mind. I'm taking a date to a restaurant. B: I'd love to help you! What is your budget for the dinner? A: She strikes me as being very sophisticated. Only the best will do for her. B: Well, what do you t

发表于:2019-01-15 / 阅读(91) / 评论(0) 分类 英语情景对话-旅馆

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 science of the future to eve

发表于:2019-01-24 / 阅读(145) / 评论(0) 分类 英语语言学习

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(138) / 评论(0) 分类 VOA常速英语2007年(十一月)

今天我们要学的词是overrated。 Overrated意思是评价、估计过高的。在美国大学里,教授表现主要由学生打分,但最近一项研究发现, Highly rated professors are in fact overrated, 学生认为最棒的教授事实

发表于:2019-02-02 / 阅读(96) / 评论(0) 分类 英语每日一词

今天我们要学的词是overrated。 Overrated意思是评价、估计过高的。在美国大学里,教授表现主要由学生打分,但最近一项研究发现, Highly rated professors are in fact overrated, 学生认为最棒的教授事实

发表于:2019-02-05 / 阅读(104) / 评论(0) 分类 英语单词荟萃

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(125) / 评论(0) 分类 经济学人科技系列
学英语单词
aborting
Achorion schoenleinii
ahead of the curve
airstone
AllerMax
attached support program
autodiostyly
behavior observation schedule
berry-sauce fur
bible-based
block buffer
cast a glance over
channel op
Chateauneuf-la-Foret
christmas-carol
club-level
coefficient of stability
coenosia cingulata
contact-initiated discharge machining
conver lens
cost correlation
cube edge
D.Ch.E.
degree of a term
dunlevy
eburnification
endeco
enzymoimmuno electrophoresis
exophoric
fabianism
fifty-cent tours
functional layer
gearingup
general division
genus pseudolarixes
GlobalSecurity
globe valve
guardsman
hepatitisA
high-concentration
horizontal wave
hydrargyrum depuratum
incoming direction
Interglossa
intertester
iols
keijella suanfenga
koetsier
largemouth bass
leaf club
lemoniest
lineman's plier
liner constant-coefficient difference equations
Livonians
lyophilmethod
membrane reaction curve
Merizo
metal powder metering apparatus
Mosolovo
neoimperialisms
Newton's law of flow
nitrogenous metabolism
noise-stop
nonribbed
off label
optical moment
over-recruits
Oxytropis poncinsii
penninervis
pressure control system of spacecraft cabin
pro-celeb
quadratic differential form
retroposed
rhaphid
rotational sweep
santoquin
saved laydays
service description
shift premium plan
shut-down point
smoke index
strangulates
subvention system
suppresser genes
swoons
sympatheticiess
szmikite
tail trimming gear
take the law of sb.
thaumaturgus
thoracic muscle
three-month-olds
thyratron chatter detector
touch something off
unban
uncurtaining
unilateral weighting
uromorphic
venous sinuss
warlords
water organ
were in sight