蓝紫光雷射二极体

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(207) / 评论(0) 分类 英语绕口令大全

The Aldens worked on the maze for most of the day. Mr. Sweeney cut posts of wood, then Violet and Benny lined them up where they needed to go. Henry and Jessie stapled chicken wire fencing from post to post. And everyone attached cornstalks into the

发表于:2018-12-06 / 阅读(65) / 评论(0) 分类 101 The Clue in the Corn Maze

After dog training class was over, the Alden children stood in the parking lot of Dog Gone Good. Lets talk to Ms. Wilson, said Jessie. We havent had a chance to ask her about the missing dogs. Good idea, said Henry. The children looked for Candy Wils

发表于:2018-12-06 / 阅读(70) / 评论(0) 分类 119 The Dog-Gone Mystery

Roxanne looked at Graysons leash, which was still tied to a small tree. Your dog broke his leash and ran away, she said. Suddenly Mr. Kovack and his bloodhound came running from the nearby park. Whats wrong? asked Mr. Kovack. I heard somebody scream.

发表于:2018-12-06 / 阅读(84) / 评论(0) 分类 119 The Dog-Gone Mystery

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(86) / 评论(0) 分类 VOA常速英语2008年(四月)

auxiliary anode 辅助阳极 auxiliary grid 辅助栅极 auxiliary jack 辅助塞孔 auxiliary memory 辅助存储器 auxiliary signal 辅助信号 auxiliary transmitter 备份发射机 available powe

发表于:2018-12-08 / 阅读(82) / 评论(0) 分类 电信英语

1. A judge has found 3 New York Police detectives not guilty in the shooting death of an unarmed man. The officers shot Sean Bell 50 times just hours before his wedding. Rev. Al Sharpton has called for a federal investigation. 2. An eight-mile stretc

发表于:2018-12-15 / 阅读(121) / 评论(0) 分类 美联社新闻一分钟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(76) / 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(60) / 评论(0) 分类 VOA标准英语2014年(二月)

Conversation 1 A: They are state-of-the-art computers. Would you like to see how it works? A:这些是最尖端的电脑。您想看看它是如何操作的吗? B: Yes, please. B:好的,麻烦你了。 A: OK. Let me just have it all set up in

发表于:2018-12-25 / 阅读(57) / 评论(0) 分类 最In导购口语

[00:00.00] MODULE THREE [00:13.84]Research [00:15.78]Unit one [00:19.96]I'm looking for information. [00:23.04]1.Look,listen and learn [00:33.99]A:Come here, Lingling. [00:36.81]Mum has bought a new computer for us. [00:40.15]This is the keyboard. [0

发表于:2018-12-29 / 阅读(78) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

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(92) / 评论(0) 分类 2017年VOA慢速英语(七)月

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(100) / 评论(0) 分类 英文名句短语

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(六)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(139) / 评论(0) 分类 2005年NPR美国国家公共电台

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(122) / 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(88) / 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(177) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

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(105) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(86) / 评论(0) 分类 经济学人科技系列
学英语单词
accounting responsibility
activity in material production
acytotoxin
adventure-education
Airey
Arthur Seymour Sullivan
artificial fertilizing
belski
benocyclidine
Bibliographic retrieval service
bishopric
bog lake
bordin
boundedly complete
canals of Schlemm
Chiquilistlan
choragic
chord of the sixth fifth and third
cold rubbers
commercial negotiable instrument
compactest
conversion loss
craniopagus frontalis
Dactylosporangium
dead of winter
dependent person
di-allate
die jig
digital subscriber line access multiple
drill-down
Erycibe sinii
executive committee
exterminationists
eye MDs
farm products processing industry
flare bed
floriano
food-processings
full-fledged computer
gallousness
hawe
inclined water-gauge
indica rice
instantaneous-audience rating
Ischnopsyllas comans
jetway
Karagiozis
kitty cruise
last record
limbs pain
logopedists
make someone captive
medium volatile bituminous coal
mephitic gangrene
micropatterning
military harbor
moyl
nontabulated
Nova Zagora
oil slicks
omental hernia
out like a light
pan's-pipe
Papan
phosphobacteria
pleurobrachias
pneumotoxins
pointed vault
program description
programming counter
quadriaxial
rake one's memory
ramisectio sympathetica
rattlest
reduced comfort boundary
regiones oralis
reknits
relative bending radius
rukstela
sacramone
self-correcting code
shortwall development
skip scan
slip a cog
snowballing
Spencer's bright-line counting chamber
splurging
stemming machine
technological level
time of turnover
timing asis oscillator
total net inflow volume
ultra-long range (ulr)
uniformis
vemynous
washing out fluid asphaltum
wide flange member
workover fluid
yam-ma
yeaught
zero displacement
zocle