不均匀激光束

Peyton: when do most children start school in your country? Thomas: In America, most children start primary school at the age of five. P: How much time do primary school students usually spend at school every day? T: Kindergarten students usually onl

发表于:2018-11-30 / 阅读(242) / 评论(0) 分类 生活英语情景口语

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(145) / 评论(0) 分类 VOA常速英语2008年(四月)

Unit 3 This is what I need. [00:05.17]单元三 这是我需要的 [00:07.55]Look and learn [00:09.57]看并且学习 [00:11.60]shoes socks uniforms [00:15.70]鞋子 短袜 制服 [00:19.80]Read and say [00:21.93]读并且说 [00:24.06]Kitty,what do

发表于:2018-12-13 / 阅读(274) / 评论(0) 分类 沪教版牛津小学英语五年级

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(133) / 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(130) / 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(115) / 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(107) / 评论(0) 分类 TED演讲科技篇

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(149) / 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(140) / 评论(0) 分类 2017年VOA慢速英语(七)月

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(217) / 评论(0) 分类 2005年NPR美国国家公共电台

[00:00.00]change one's mind anyhow argument misunderstanding [00:05.09]改变注意 ad.不管怎样 n.辩论 n.误会,误解 [00:10.19]ashamed Cincinnati counter disappointment [00:14.72]a.惭愧,害臊 n.辛辛那提(美国城市) n.柜台 n.失望;

发表于:2019-01-08 / 阅读(328) / 评论(0) 分类 高中英语词汇

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(214) / 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(195) / 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(167) / 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(225) / 评论(0) 分类 美国习惯用语

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(202) / 评论(0) 分类 英语语言学习

The Olympic uniform was shown to John Key and other guests at a dinner on Thursday evening. It is based on the uniform which was worn by the New Zealand athletes at the London Olympics in 1948. The black blazer has white piping around the edge, and o

发表于:2019-01-27 / 阅读(181) / 评论(0) 分类 新西兰英语

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(170) / 评论(0) 分类 VOA常速英语2007年(十一月)

LONDON, Nov. 22 (Xinhua) -- The London Organizing Committee of the Olympic and Paralympic Games (LOCOG) unveiled the designs of the Games Maker uniform on Tuesday. The Games Maker uniform, designed by LOCOG in association with London 2012's official

发表于:2019-02-08 / 阅读(162) / 评论(0) 分类 英语新闻

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(159) / 评论(0) 分类 经济学人科技系列
学英语单词
ampelopsis brevipedunculata rehd.
Apollinaire Guillaume
arynes
bathrocephaly
begging the street
Bendougou
benetos
Bis(5'-Nucleosidyl)Phosphates
Boké, Préfect.de
breakeress
calf dysentery
camarines sur
canariess
catecholamine metabolite
Chandler period
combination builder
combination tail lamp
computeth
concave bar
concrete handling
consolidated bill of lading
data miner
defensa
definitives
deysie
dipaths
distream
earthquake axis
easy to machine
energy converter
epidemiologically
epidihydrocholesterol
exterior escape stairway
fait accompli
far-infrared radiation
fewness
first receivers
flows out
galvanized steel wire
Grewia celtidifolia
Hammett's acidity function
heat lost by radiation
high pelvic position
high resolution plate
hydroxid ion
I.E.D.
Ilalo
impulse timer
inconcinnity
indirect-cycle boiling-water reactor
ionospheric control point
irreversible conversion
Jemmal
kirschke
launch against
less-important
long-leafed
membrane structure
method of reseptance
molybdenumliner
MSPHARMSCI
multimodal chromatography
munitioning
myokymia
n-docosane
nandrolones
non-degenerate
nonspectacular
pangolins
percussopunctato
perforation rate
Perlish
physionosis
Porges-Hermann-Perutz reaction
power-level safety setting
push-pull amplifier
put things in train
railway worker
reciprocal dyadic
renal papillectomy
rum
sensilized decomposition
superregnums
swine-bread
take a chance on
tanks right oblique
taphrogenesis
tecnico
tejpatta
tertiary carbon atom
the best-laid plans
thickness error
thread caliper
tobacco-growing
top section modulus
total hydrocarbon feed
trollheims
two wheeled chassis
Ueberstorf
virgin rock mass
well-wearing
wire-record