光斑大小转换雷射二极体

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(141) / 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(133) / 评论(0) 分类 电信英语

[00:22.36]The 6th Floor [00:31.49]6楼 [00:40.31]I was working as a Shift Commander [00:42.49]in the patrol division for a large private security firm [00:46.47]in Colorado Springs, Colorado. [00:49.63]Part of the duties of said position is the lockin

发表于:2018-12-11 / 阅读(116) / 评论(0) 分类 英语灵异故事

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(125) / 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(111) / 评论(0) 分类 VOA标准英语2014年(二月)

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(137) / 评论(0) 分类 2017年VOA慢速英语(七)月

Reaksmey Mary was disabled with a serious illness when she was six months old. She is confined to a wheelchair and lives with her family on an island in the Mekong River in Cambodia. As a young child, Reaksmey traveled only to see the doctor near her

发表于:2019-01-02 / 阅读(214) / 评论(0) 分类 2017年VOA慢速英语(二)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(160) / 评论(0) 分类 英文名句短语

Global real estate markets are breaking a sweat and Vancouver should be no exception. Those same foreign buyers that sent property values soaring around the world are now a little short on foreign currency. 全球房地产市场开始流汗,温哥华

发表于:2019-01-07 / 阅读(126) / 评论(0) 分类 英语新闻

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(212) / 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(185) / 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(159) / 评论(0) 分类 2012年VOA慢速英语(一)月

HARI SREENIVASAN: This week marked the second anniversary of Hurricane Sandy. And here in New York City, the recovery has been very uneven. It's something that photographer Nathan Kensiger has documented in a series of photo essays for the website, C

发表于:2019-01-27 / 阅读(183) / 评论(0) 分类 PBS访谈社会系列

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(161) / 评论(0) 分类 VOA常速英语2007年(十一月)

A miser,to make sure the safety of his property,sold all that he had and converted it into a great lump of gold,which he hid in a hole under the ground,and went continually to visit and inspect it.This roused the curiosity of one of his wor

发表于:2019-02-02 / 阅读(131) / 评论(0) 分类 趣味英语

RIO DE JANEIRO, Feb. 24 (Xinhua) -- Peru international striker Paolo Guerrero converted a 95th-minute penalty to earn Corinthians a barely deserved 2-2 draw against Bragantino in Brazil's Campeonato Paulista on Sunday. Earlier, Alexandre Pato scored

发表于:2019-02-06 / 阅读(129) / 评论(0) 分类 英语新闻

PARIS, May 30 (Xinhua) -- Top seed Victoria Azarenka put on an inspiring performance to reach the third round of the French Open with a 6-1, 6-1 win over Dinah Pfizenmaier of Germany on Wednesday. The Australian Open champion from Belarus committed o

发表于:2019-02-08 / 阅读(127) / 评论(0) 分类 英语新闻

宝洁8大经典问题的中英文对照版 1. Describe an instance where you set your sights on a high/demanding goal and saw it through completion. 2. Summarize a situation where you took the initiative to get others going on an important task or i

发表于:2019-02-13 / 阅读(161) / 评论(0) 分类 实用英语

Italy beat Armenia 3-1 in World Cup qualifier YEREVAN, Armenia, Oct. 12 (Xinhua) -- Andrea Pirlo scored one goal and set up another as Italy labored to a 3-1 win over Armenia in European zone World Cup 2014 qualifying Friday. The match took place in

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 英语新闻

Against that time, if ever that time come, 怕的是那个时候,那时候一旦到来, When I shall see thee frown on my defects, 你会皱起双眉,嫌我是个障碍, When as thy love hath cast his utmost sum, 那时候你已烧尽爱的每一

发表于:2019-02-24 / 阅读(253) / 评论(0) 分类 莎士比亚十四行诗全集
学英语单词
Aktaylak
anti fatigue
armyworm
asterotoxin
Australian state
axis
barbariousness
blogospheres
brings through
central plant
clear fused-quartz cell
copytaker
crammed with
crawl effect
cultelli
cundies
Cystiphyllum
deglamorised
deimmunizes
division of wave front
doile
double cusp
durante bello
erbach
fascicled leaves
firmisternous
first in first out buffering
flammid
Gastromyzontidae
generalship
glass-maker
glummish
ground pine
ground-hugging
group separation
high tensile reinforing steel
hornlikest
ilexin B
indeedy
industrial control
industrial corporation
ipsenol
Jokdeam
katywampus
Khātūnīyah
ki-hi
kneipping
kusf
Lagamar
lenslet
limits size
loop unit
lower
lucidities
magnetic circuit structure
maximum anode heat content
metrical economics
name of origin
nanoprecipitate
ODFR
oil bath type oil circuit breaker
old-fogyish
order tracking date
out-top
paper-chasing
paytables
pedicularis
Pedicularis kiangsiensis
pictures at an exhibition
pneomatometer
polylysines
Potrerito
protoarthropodan
protrusive equilibration
quick report of goods traffic accident
renlys
repeated-stress
roller path
rubberlike insulating compound
rusty-dusty
Sarpanitu
Sayhut
scram function curve
semidomed
singeing frame
slime spots
sodium iodoxyquinoline sulfonate
speech island
sterile zooid
suction cylinder
suctioned
symbol of a unit of measurement
system of criminal justic
thirlwalls
tormentor
triple-spool
undivided attention
vapour cleaning
variable-gain approach
vice chancellor
wall-attached chimney
with a resigned mind