激光脉冲长度

17Giving First Aid GLOSSARY nurse a medical professional who helps a doctor; a person who provides basic medial services, but isnt as highly trained and educated as a doctor* If you like taking care of people, but you dont want to be a medical studen

发表于:2018-12-03 / 阅读(257) / 评论(0) 分类 2007年ESL之就医和人际交往

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(149) / 评论(0) 分类 VOA常速英语2008年(四月)

So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n

发表于:2018-12-11 / 阅读(209) / 评论(0) 分类 访谈录2009

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(134) / 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(118) / 评论(0) 分类 VOA标准英语2014年(二月)

A: Look, Jim. That man just fell down over there. B: Wed better see if he's o.k. A: Sirsir? Are you all right? Sir? B: He's not answering. You'd better check his pulse and breathing. A: Oh, no. He's not breathing, and there's no pulse. Call 911. B:

发表于:2018-12-26 / 阅读(112) / 评论(0) 分类 想聊就聊

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(133) / 评论(0) 分类 单词解析速记

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(181) / 评论(0) 分类 每日攻克5词

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(148) / 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(219) / 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(203) / 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(171) / 评论(0) 分类 2012年VOA慢速英语(一)月

Up in arms At arm's length 在美国人讲话时,或从书刊报纸上,你经常可以听到或见到一些由手臂,就是英文里的arms这个字组成的成语或俗语。有些习惯用语从

发表于:2019-01-14 / 阅读(222) / 评论(0) 分类 美国习惯用语

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a

发表于:2019-01-17 / 阅读(258) / 评论(0) 分类 2017年NPR美国国家公共电台6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(175) / 评论(0) 分类 VOA常速英语2007年(十一月)

Mateen's horrifying attack on Pulse nightclub was initially thought to be a homophobic attack rooted in extremist Islamic ideology. 马丁在脉动酒吧的恐怖袭击最初被认为是根植于伊斯兰极端主义意识形态,仇视同性恋而采

发表于:2019-02-05 / 阅读(151) / 评论(0) 分类 英语新闻

Lesson 334 Your pulse is regular. 1.Your pulse is regular.您的脉搏正常。 2.I have a regular diet.我的饮食是有规律。 3.I'm not a regular lawyer.我不是正式的律师。 4.He has no regular work.他没有正式的工作。 5.It's my

发表于:2019-02-12 / 阅读(197) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh

发表于:2019-02-15 / 阅读(183) / 评论(0) 分类 英语笑话(MP3+文本)

A: Help! Are you a doctor? My poor little Frankie has stopped breathing! Oh my gosh, Help me! I tried to perform CPR, but I just don t know if I could get any air into his lungs! Oh, Frankie! B: Ellen, get him hooked up to a monitor! Someone page Dr.

发表于:2019-02-15 / 阅读(147) / 评论(0) 分类 英语播客-EnglishPod

【模仿句子】 But first 50 people are known to have been killed when a gunman opened fire in the Pulse nightclub in Orlando in the US State of Florida. 概况:2016年6月12日,佛罗里达州奥兰多一家名为脉搏的同志酒吧发生的一

发表于:2019-02-16 / 阅读(135) / 评论(0) 分类 英音模仿秀
学英语单词
1-amino-7-naphthol
air-temperature correction
along the lines of sth
amplexicaule
associative meaning
back-pack camera
bastard size paper
be down on one's uppers
beta emission
biomimetic
borne up
brillouin's theorem
brittlish
broken seed
brooks ra.
come-hithers
compost-applier
conditioning machine
congocidines
cosmic material science
county towns
dihydrovitamin K-1
double pipes heat exchanger
duration of transmission
Economic Community of West African States
ecstaticity
ehadhamens
Elipten
encoding of Chinese character
epizoicide
fan-beam
father knows best
ferroelectric Curie point
fish er
futret
geodetic astronomic observations
glass selad
grovelling
hoisting holder
insect endocrinology
intermittent tetanuss
intestinal hormones
joint pipe
k'in
keplerian element
latent masaic
law and decree
life-gate fire excess
lobettas
miniclimaxes
missing line noise
movability
multiple factors method
non-descriptor
oger
ordinatios
ostealgic
outgrowings
outnoised
paleobiologist
Panax repens Maxim.
parachute assembly
piperno
Polygonum thunbergii
posedowns
pre-pressurize
preparatory department
press frame
proportional amplifier
put it out
queued access method
reconciliate
regenerating section
regent
remelted alloy
reminted
Rennington
retackling
rhizophorous
saturnine poisoning
scringe
settering
Settimo Torinese
soft annealed wire
spare-rooms
speedrunner
stair way
subjugative
subtask program
Supreme Judicial Court
technocratic mentality
Thatcher-era
thrown at
tophus
total circulation
tzarevitch
unparameterizable
vagged
water pressure fluctuation
woolfells
Wounded Knee
xanthomegnin