红宝石激光散射仪

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(143) / 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(129) / 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(113) / 评论(0) 分类 VOA标准英语2014年(二月)

W: You look so excited. Whats on your mind? M: I am thinking about my Chrisman present. W: What are you going to have? M: A huge toy plane. My mother promised to give it to me if I behave myself before Christmas. Dialogue 2. M: Anna, whats troubling

发表于:2018-12-17 / 阅读(224) / 评论(0) 分类 流利美国口语

Elizabeth Barrett Browning (1806 - 1861) What was he doing, the great god Pan, Down in the reeds by the river? Spreading ruin and scattering ban, Splashing and paddling with hoofs of a goat, And breaking the golden lilies afloat With the dragon-fly

发表于:2019-01-02 / 阅读(186) / 评论(0) 分类 英语诗歌

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(216) / 评论(0) 分类 2005年NPR美国国家公共电台

北京的桑拿天又来了。虽然气温不算太高,但是空气湿度太大,让人有点喘不过气。多么盼望天气预报说最近有雨啊。今天咱们就来看看英语国家的天气预报都是怎么报的。 1. There will be occa

发表于:2019-01-09 / 阅读(148) / 评论(0) 分类 英语口语

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

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(123) / 评论(0) 分类 2010年VOA慢速英语(九)月

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(188) / 评论(0) 分类 英语语言学习

THE ocean is dark and full of terrors, and the black dragonfish is the darkest of them all. 海洋中充满黑暗与恐惧,黑色的深海龙鱼是其中最黑暗的生物。 Its surface, new measurements reveal, is as black as the blackest materia

发表于:2019-01-26 / 阅读(150) / 评论(0) 分类 经济学人科技系列

13Saul was thirty years old when he became king, and he reigned over Israel forty- two years. 2Saul chose three thousand men from Israel; two thousand were with him at Micmash and in the hill country of Bethel, and a thousand were with Jonathan at Gi

发表于:2019-01-26 / 阅读(242) / 评论(0) 分类 撒母耳记

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(164) / 评论(0) 分类 VOA常速英语2007年(十一月)

Animals can predict natural disasters 动物能够预知自然灾害 There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. Their keen senses of smell, hearing, and sharp instincts alone are eno

发表于:2019-02-01 / 阅读(384) / 评论(0) 分类 实用英语

HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i

发表于:2019-02-06 / 阅读(169) / 评论(0) 分类 英语新闻

A total lunar eclipse will be visible across much of the Americas and Asia in the coming hours. 亚洲和美洲的大部分地区能够在未来数小时内观测到月全食。 The eclipse starts at 08:00 GMT, reaching totality just before sunrise a

发表于:2019-02-07 / 阅读(134) / 评论(0) 分类 英语新闻

The rat grinned. 老鼠龇着牙齿笑。 I'm going to make a night of it, he said. 我要来个欢乐今宵,老鼠说, The old sheep was right - this Fair is a rat's paradise. What eating! And what drinking! 老羊说得对这集市是老鼠的乐

发表于:2019-02-17 / 阅读(146) / 评论(0) 分类 夏洛的网

1. There will be occasional showers in southeast England, some of them perhaps heavy. 英格兰东南部有短时阵雨,部分地区会转成大雨。 2. Elsewhere is largely dry with sunny spells and just a scattering of light showers, but becomin

发表于:2019-02-19 / 阅读(218) / 评论(0) 分类 英语口译
学英语单词
22a-Hydroxyerythrodiol
507
activity allocation model
afforests
air dome
Apicoectomy/Periradicular
attend the side
background signal
banged out
beat note
Beta-Mercaptoalanine
blank mounting
boil ... down
boundry layer ceramics
branch (of a game tree)
brellie
Brizambourg
capital increment yielded by bonus
centerforce
cercospora zinniae
Chaihu Guizhi Ganjiang Tang
chipped potato
clutch sprocket wheel
combination incisal plane
commencement of commercial operation
condensation compound
conditioned stimuluss
Congo trypanosomiasis
cosmoparticle
crab-claws
crazy weed
definite-time
definities
dhe
early ion
ethylaminobenzoate
Ethylglycocoll
fancifying
forensic pharmacy
Garson, Lough
global symbol
glycinamides
go slick
ground net
hollow jet needle valve
hollow punch
hot-cathode tube
hyperplastic tuberculosis of small intestine
ianthinite
inculpation
independent will
interjectionalize
ironing boards
La Rajita
lexical element
linea dentata
linear calculating circuit
linear thermal expansive force
Ljungstrom regenerative air heater
load increasing speed
Los Tojos
manual bonder
Marz
materials credit slip
mitigating factor
mollusk family
natural fibers
Ngoulémakong
noms
noterer
occupationally exposed person
operating sequence
ossa xiphoides
out-of-plane moment
overleveraging
peewee tech
plain barrel pass
prismatic powder
produce market
progenome
protoEarth
quoted-string literal
rain-wet
real time chat
regressive burning charge
rhenian
rotary tableting machine
satellite laser radar probing
shout sb. down
shrine-goer
sinification
splanchnoskeletons
static load of wagon
steam cleaning unit
tangential column supports around equator
technical knockouts
tetracyclic compound
timing disc
twin cocoon
unatt
vegetable alkali
Visual Studio Tools for Office