三模驻波激光器

Section A Short Conversation [00:04.78]1.It seems to me that there is no need to have a screen on the door in the winter [00:12.04]We usually put it on in summer, don't we? [00:16.90]The only reason for having a screen on the door is [00:21.94]to kee

发表于:2018-12-01 / 阅读(293) / 评论(0) 分类 决胜六级英语听力

Section A [00:02.90]1.W:You've heard my report. Are there any comments? [00:07.94]M:On the whole,I agree with what you said. [00:12.20]But your last point about putting on a play doesn't seem to be very practical. [00:18.55]How can we put on a play w

发表于:2018-12-01 / 阅读(351) / 评论(0) 分类 决胜六级英语听力

以字母O开头英语绕口令: 1.On a lazy laser raiser lies a laser ray eraser. 1.在一个反应迟钝的激光器上放了一个激光消除器。 2.Old oily Ollie oils old oily autos. 2.油腔滑调的奥利给老油汽车抹油。 3.One-One

发表于:2018-12-03 / 阅读(297) / 评论(0) 分类 英语绕口令大全

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(233) / 评论(0) 分类 数学英语

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(166) / 评论(0) 分类 VOA常速英语2008年(四月)

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(158) / 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(146) / 评论(0) 分类 VOA标准英语2014年(二月)

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(五)月

Pre-Listening Vocabulary switch: move to a different position Wi-Fi: a wireless network that provides Internet connection Bluetooth: a trademarked name for a short-range wireless connection for computerized devices GPS: global positioning system, a s

发表于:2018-12-28 / 阅读(184) / 评论(0) 分类 趣谈英语

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(171) / 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(240) / 评论(0) 分类 2005年NPR美国国家公共电台

Joel: So, Mitchell, I only surfed for about a year and I never got very good at it. I wonder if you could explain how a beginner goes about learning how to surf. Mitchell: Well, that's a tough question because I was surfing ever since I was small so

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 原版英语对话1000个

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(227) / 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(191) / 评论(0) 分类 2012年VOA慢速英语(一)月

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

发表于:2019-01-16 / 阅读(299) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi

发表于:2019-01-16 / 阅读(225) / 评论(0) 分类 2018年NPR美国国家公共电台3月

And then there's a guy standing next to her, with, like, an espresso cup, and he's like... 然后她旁边站着一个男人,拿着 一个咖啡杯,他就这样... And it says, What brings you today? 然后照片还写着,哪阵风把你吹来了

发表于:2019-01-18 / 阅读(162) / 评论(0) 分类 TED演讲商业篇

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(204) / 评论(0) 分类 VOA常速英语2007年(十一月)

如果你要暂时逃离这个世界,与世隔绝,暂时不想和熟人接触,你可能会不接电话,不带手机,不上社交网站。通常是因为和恋人分手或者是工作不顺。 今天要介绍的俚语是airplane mode,用来形

发表于:2019-02-09 / 阅读(192) / 评论(0) 分类 美国俚语

Next time youre sitting in the tub, try the following experiment. Stand up quickly, being careful not to fall over. The water will slosh over to fill in the place where your body was, and then slosh back in the other direction, and so on. You have cr

发表于:2019-03-06 / 阅读(213) / 评论(0) 分类 英语时差8,16
学英语单词
adjusting sleeve
Agassiz orogeny
angle iron frame
apparent formation resistivity
ards pen.
Attawapiskat R.
bendabilities
beta-oil
biased group
bit block transfer
booty chatta
bouvealt-blanc method
colour fastness to water
core drill
corn-master
cryptolestes ferrugineus (stephens)
deir ez zor (dayr az zawr)
Denmoza
diver-ticular hernia
DTS
early prevention
earth pitch
end nut
ensing staff
eternacept
exercises
fare-dodger
feature comparison model
feedback envelope
finely spaced grid pattern
foveally
gas-air mixer
genus mniums
global assembly cache
grappling lron
hand radar
handicraftswomen
hands-to-hands struggle
hauling line
hercinite (hercynite)
historical climatic record
hydranencephaly
ilmar
inferior strain
infrared imaging guidance
just another
krqe
latex agglutination inhibiting test
liquid flow rate monitoring
Mancini
mindwiped
mts system of units
multi-salting
naked boy
news corp
next lower priority group
nonubiquitous
Offal-timber
oil-gas field of China
on-netherward
over-ink
pedestrianized
phyllachora minuta
plug-in pump
porsyllogism
propyl xanthic acid
protoneuron
quality controller
queuing logic
radiant surface
ramies
red marrow cell
retainability
right quotient ring
rimadyl
rust proof layer
sambu
schlemm
seesaw policy
self brazing
semilunar ganglion
semisupernatural
series manufacturing
show bench
signal identification
silver iodobromide emulsion
SLR - single lens reflex
subsidiary foodstuffs
suit the exigence
super absorbent polymer
surface plasma
Tanaga I.
tattletales
train unit
Trent, Council of
twilight polarization measurement
uniprost
unpick
uv (ultraviolet ray)
vessel operating cost
water discharging tube
work standard