双异质结构注入式激光器

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(90) / 评论(0) 分类 VOA常速英语2008年(四月)

Injection Drug Use Helps Drive HIV/AIDS in Africa Injection drug use has long been a driving factor in the HIV/AIDS epidemic in Eastern Europe and Central Asia. But now, there are signs it's a growing problem in sub-Saharan Africa, as well. The Washi

发表于:2018-12-08 / 阅读(103) / 评论(0) 分类 VOA标准英语2011年(四月)

[00:01.94]UNIT 8 In the emergency room [00:09.05]Can you hear me? [00:10.96]How do you feel,Matt? [00:13.30]I feel dizzy.My ankle hurts. [00:16.94]My wrist hurts,too. [00:20.22]The pain is in the left ankle,isn't it? [00:24.18]I'm touching your leg.

发表于:2018-12-13 / 阅读(274) / 评论(0) 分类 清华大学版小学英语(一到六年级)

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(79) / 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(64) / 评论(0) 分类 VOA标准英语2014年(二月)

[00:03.50]第十五部分 打针 [00:07.00]1.Is this where I come for an injection? [00:13.68]打针是在这儿吗? [00:20.35]-Yes.Can you show me your prescription, please? [00:26.08]是的,请让我看看医生的处方好吗? [00:31.82]2.Oh,penicillin.Do you know if you are

发表于:2018-12-30 / 阅读(112) / 评论(0) 分类 医疗服务英语

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

A Play: Buying Medicine By Liu Qinglin Characters: X ------ Xiao Fei S ------- Shopkeeper D- ---- Doctor Li O- -----Others ( O1, O2 O3 -----) Ws ------ Wounded soldiers ( W1, W2,W3 -----) H -----He zhenwu, a Japanese spy W- ---- Woman J ------ Japane

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 英文剧本

A Play: Buying Medicine By Liu Qinglin Characters: X ------ Xiao Fei S ------- Shopkeeper D- ---- Doctor Li O- -----Others ( O1, O2 O3 -----) Ws ------ Wounded soldiers ( W1, W2,W3 -----)H -----He zhenwu, a Japanese spy W- ---- Woman J ------ Japanes

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 英文剧本

[00:06.69]Unit 4 [00:08.56]How are you feeling? [00:11.37]Lesson 20 [00:14.92]Learn to Say [00:17.46]Good morning. [00:19.48]Morning. [00:21.35]Tell me, girl. [00:22.82]How do you feel? [00:24.69]Not well. [00:26.33]I feel sick. [00:28.47]You see, a

发表于:2019-01-09 / 阅读(178) / 评论(0) 分类 快乐英语第七册

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(129) / 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(93) / 评论(0) 分类 2012年VOA慢速英语(一)月

STEVE INSKEEP, HOST: Philadelphia is looking at a new tool to fight opioid addictions - supervised injection sites. That's where people can safely inject heroin or other opioids under medical supervision. It would be the first such site in the U.S.,

发表于:2019-01-16 / 阅读(93) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Watchful Eyes: At Peer-Run Injection Sites, Drug Users Help Each Other Stay Safe AILSA CHANG, HOST: To prevent overdose deaths, several U.S. cities are considering opening safe injection sites where users can get high under medical supervision. Offic

发表于:2019-01-17 / 阅读(125) / 评论(0) 分类 2018年NPR美国国家公共电台7月

3.诊断和治疗常用词汇 inspection 望诊 inquiry 问诊 auscultation 听诊 percussion 扣诊 palpation 触诊 biopsy 活组织检查 pathological section 病理切片 endoscopy 内窥镜检查 ECG(electrocardiogram) examination 心电图检

发表于:2019-01-17 / 阅读(112) / 评论(0) 分类 英文语法词汇

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(111) / 评论(0) 分类 VOA常速英语2007年(十一月)

DAVID GREENE, HOST: The state of Arkansas has a death penalty problem. The state is rushing to execute death row inmates at an unprecedented pace this month before its supply of lethal drugs expires. The expiration date is important because it's gett

发表于:2019-02-13 / 阅读(110) / 评论(0) 分类 2017年NPR美国国家公共电台4月

Listen to the doctor's descriptions and fill in T for True,F for False. 1.You shouldn't drink any alcohol drinks or take any spicy or fried food in these two weeks. 2.You should take a rest for at least two days. l'II write you the medical certificat

发表于:2019-02-17 / 阅读(67) / 评论(0) 分类 英语听力练习题

Unit 17 第十七单元 Conversation 1 会话 1 A:Miss Sun,could you please type this report for me? A:孙小姐,请替我打这份报告好吗? B:Certainly,Mr. Baker. B:当然,贝克先生。 A:Could you please double space it so I can make co

发表于:2019-02-19 / 阅读(293) / 评论(0) 分类 巧嘴秘书情景对话
学英语单词
-etic
aerosol analyser
al fazah (fazih)
apoideas
araneas
area coordinate
at rise
backup power supply
bad-weathers
becalls
beneventoes
canyon
circumpharyngeal connective
colgrasses
collarless
concrews
condimental
control surface
controlled postmortem programme
counterprejudice
cxyglutamic acid
date compiled
dead axial
decoupling resistance
deep plough and intense cultivation
dioptoscopy
disease transmitted by excrement of animals
Dr. Johnson
DTTV
Enophrys
excel oneself
exhibeatur
exsanguinality
FMD-ROM
funnel-shaped opening
G.R.
galli
gualloxan
hand firnishing
handfastness
have a great desire for
heterojunction photocathode
homologus antiserum
hyphoderma acystidiatum
indicating diagram
input output channel
japalura swinhonis
jet orifice separator
juddmontes
land-management
limit of dumping
local coordinate system
magnetohydrostatics
membranous menstruation
mill blunt files
monthly cost report
Mucosof
netlike thickening
nondisseminated
nonstarches
overgrowing
pancreatic phlegmon
particulate nitrogen in seawater
partition specification table
phonetic adaptation
planet gear
pneumatic clamping
portentifical
poundal foot
Prigorodnyy
principle of geometric reverse
radial drilling machines
radiocalcium
readyboost
reinstatement order
removers
rod lifter
romanzi
route processor
Rubus sumatranus
search field
semifluidities
shadow-line
shape of saddle
shorenstein
sonar blind zone
stock authorized
strikes a chord
suspended expanded metal lath ceiling
swamp rabbits
sweek
system of common law
the devil's picture book
threadjack
unrefurbished
up to one's eyebrows
versatile grinding machine
visonary
Weifang
welding code
whilest
youthiness