砷化镓p-n结注入式激光器

Experimental Treatment Targets Drug-Resistant Bacteria You probably have heard about the Trojan Horse. Tradition says the ancient Greeks used a large wooden horse to trick enemy forces and capture the city of Troy. Now, researchers say a similar plan

发表于:2018-12-08 / 阅读(112) / 评论(0) 分类 2018年VOA慢速英语(十)月

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(137) / 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(140) / 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(326) / 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(122) / 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(105) / 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(162) / 评论(0) 分类 医疗服务英语

In a short time the train stopped at Glass Factory Junction. The Aldens got off the train and looked around. They could not see any sign of a town. There was a small freight station on one side of the tracks and a large factory on the other. Everythi

发表于:2018-12-31 / 阅读(148) / 评论(0) 分类 11 Caboose Mystery

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(132) / 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(204) / 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(121) / 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(120) / 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(233) / 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(183) / 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(152) / 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(128) / 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(163) / 评论(0) 分类 2018年NPR美国国家公共电台7月

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(157) / 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(158) / 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(111) / 评论(0) 分类 英语听力练习题
学英语单词
activity rhythm
address scrambler
attempre
beaded reducing elbow
bile reflux gastritis
Blanca
Brittain's sign
buzz with
Chinese semantics
come home shorn
connector flexure
cortication
county home
cutaneous senses
darwitz
deconvolves
degree of a complex
delete columns
derthick
direct count
distance by engine's RPM
eia-422
electroolfactogram
enamelled paper
experimental pharmaceutics
factory journal
flame monitoring system
flare pilot gas
foodrelation
formula for interpolation with reciprocal difference
group addressing
heat in blood
hildebrandiana
Howland,Baker and Jarvis Islands
howrah (haora)
imidate
in public places
innocentive
jib-in
Jostedals Glacier
kinosis
leadless chip carrier
least significant bits
leftmost derivation
let someone's left hand know what his right hand is doing
libra
liefsome
line handling
make a loss
marquis de sades
mechanic draft
metebiosis
mirabile visu
muschet
Musāfirpur
nasal erysipelas
Nodi lymphatici subaortici
nogestational
nonventilated motor
odontoclastic
orgiac
Ossa, L.
physical layer
pluck out
practical program
present yield
price of the selling party
priority interrupt system
pseudo-cleavage
pseudohemoptysis
pump light
re-eligibility
Reges
repiningly
robotize
ruptured yolk
second-place finish
sequence initiation switch
seven-seater
shared electrons
sight-readings
single sideband communication
single-head wire stitcher
single-stage rocket
subsoiling
tell by
the comparative
three dimensional photoelasticity
transmit beam forming
turn over rate
twin-cable aerial tramway
tynecastles
ultra high frequency oscillator
unacarine
unrhapsodic
valvotransplantation
vaporishness
waiver of the right of indemnity
Walpole St Peter
wunder
xv
yatte