多普勒血流计

A: Whoa, I never saw a meter like this before; how do you use it? B: It's simple, once you do it a few times. Do you know how the old one worked? A: I never used a parking meter before. B: So we start out by deciding whether you will use cash or a cr

发表于:2018-11-30 / 阅读(224) / 评论(0) 分类 英语情景对话-大学生活

Clinton Recovering From Blood Clot In Her Head Charles Eyler knows all about blood clots. Hes had two. Theyre painful, I mean really painful. Really bad pain, Eyler said. And now, Secretary of State Hillary Clinton has her second blood clot. The firs

发表于:2018-12-16 / 阅读(203) / 评论(0) 分类 VOA标准英语2013年(一月)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For decades, scientists have used an imaging technique called functional magnetic resonance imaging, or fMRI, to chronicle the brain in action. But a stu

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(一)月

第26期:Something Wrong with the Meter Y:What's the fare,please? Y:请问车费是多少呢? X:Twenty dollars and sixty cents. X:20.60美元。 Y:What?You're overcharging me! Y:什么?你一定多收我的钱了! X:No way.Look.That's what the mete

发表于:2018-12-26 / 阅读(169) / 评论(0) 分类 出国旅游口语一本通

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

发表于:2018-12-30 / 阅读(161) / 评论(0) 分类 突破英文词汇

What Causes A Lump In Your Throat? Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 图片1 Explanation The lump-like thing we feel when overcome by emotion has to do with how the ne

发表于:2018-12-31 / 阅读(150) / 评论(0) 分类 英语听力文摘 English Digest

Its called functional magnetic resonance imaging, or FMRI. And some neuroscientists call it the greatest scientific advance of the last 25 years. Because FMRI lets researchers look at the human brain in action. By measuring blood flow, it produces co

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(二)月

超声成像 ultrasonic imaging 实时成像 real-time imaging 灰阶显示 gray scale display 彩阶显示 color scale display 经颅多普勒 transcranial doppler 彩色多普勒血流显像 color doppler flow imaging 彩色血流造影 color flow

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 医学英语

VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 医学英语

AS IT IS 2013-08-19 Survival Shelters, Tornadoes and Old Ironsides 生存避难所,龙卷风和老铁壁 Hello, and welcome to the Monday edition of As It Is, our daily show for people learning everyday American English. 大家好,欢迎大家收听周

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 2013年VOA慢速英语(八)月

AS IT IS 2013-09-11 Rising Temperatures Could Mean More Wildfires 不断上升的气温可能会意味着更多的森林大火 From VOA Learning English, welcome to As It Is! Im Mario Ritter. On our show today, we hear from two weather experts. We he

发表于:2019-01-12 / 阅读(281) / 评论(0) 分类 2013年VOA慢速英语(九)月

Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The

发表于:2019-01-13 / 阅读(199) / 评论(0) 分类 VOA标准英语2011年(七月)

Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood

发表于:2019-01-14 / 阅读(230) / 评论(0) 分类 VOA标准英语2010年(十一)月

英语新词:这些meter后缀单词 你理解对了么? anemometer n. 风力计,[气象] 风速计。 audiometer n. [耳鼻喉] 听度计,听力表;测听计;音响测定器。 barometer n. [气象] 气压计;晴雨表;显示变化的事物

发表于:2019-01-14 / 阅读(185) / 评论(0) 分类 英文语法词汇

It seems like from the time we are very young women are affected in some way by the monthly cycle. For young girls it is through our older sisters, cousins, aunts, and female relatives where we see the effects of menstruation, in how they change thei

发表于:2019-01-17 / 阅读(245) / 评论(0) 分类 实用英语

A technology company is developing a lie detector app for smartphones that could be used by parents, teachers - and internet daters. 一家科技公司正在研发一款面向智能手机用户的测谎软件,家长、教师甚至线上约会者都可

发表于:2019-01-18 / 阅读(142) / 评论(0) 分类 阅读空间

生活大爆炸第一季第六集_1:The Middle Earth Paradigm -Rajesh: Okay, if no one else will say I will. We really suck at paintball. 好吧,如果没人说那就我来说。我们在彩弹比赛中的表现实在太差了! -Howard: That wa

发表于:2019-01-28 / 阅读(260) / 评论(0) 分类 生活大爆炸第一季

HEALTH REPORT - Scientists Find New Clue about Acupuncture By Jerilyn Watson Broadcast: Wednesday, March 17, 2004 This is the VOA Special English Health Report. A Chinese book on the ancient practice

发表于:2019-01-30 / 阅读(143) / 评论(0) 分类 健康与经济

HEALTH REPORT - Study Suggests Laughter Is Good for the Heart By Cynthia Kirk Broadcast: Wednesday, May 25, 2005 I'm Gwen Outen with the VOA Special English Health Report. Study says: laughter is the

发表于:2019-01-30 / 阅读(255) / 评论(0) 分类 健康与经济

Doppler on Wheels Rolls Into Tornados Doppler radar reads the weather based on reflections from items moving through the air. Joshua Wurman was the first to put the technology on wheels and drive it directly into the path of a tornado. I invented Dop

发表于:2019-02-17 / 阅读(207) / 评论(0) 分类 VOA常速英语2013年(八月)
学英语单词
abortive sortie
aldag
algebra of fraction
ampery
anti-secularization theory
attitudinally
Average delivered price
baseline crossing
be highly necessary to
C indicator
call receipt
case involving the swindling of state property
causation regression
clay-water mud
closing current
coefficient between layers
colloidal minerals
compressed magnetosphere
counterviewpoint
creatal
dazadrol
Denver omelettes
diameter increment percent
diecasting
egg-holding
elixophylline
empty sequence
exothermic, exothermal
extrorse
feasibleness
firemen's quarters
forestatements
gate arm
genus alnuss
giro (autogiro)
golant
gold monosulfide
grown-on
harvy
high-frequency quenching machine
hold a race
Hydroleae
Hödrögö
ibbetsons
incremental manner
instilling
iso version
jonah
Klazienaveen
Kommern
Krasnyy Kholm
label removal compartment
leukemias
line of sight
lobed rotor compressor
Majajani
make vibrant sounds
manganese sulfate
mean space
metal transfer characteristics
multiple hole core
musca (musca) domestica
netbacks
nonreturn-to-zero mark
optical spacing
packet adapter
parietomastoid
plate wave technique
plural
pluripotent
pogo-stick
port dues
Porto Grande
pressure vapour lamp
profluvium lactis
record of product test
redies
rosebud cherry
rudity
salt cure
Saranac R.
scrape along
SCSA
SERCA1
set-point value
signal latency
skelps
smogginesses
spindle oil
stewed chicken
T bill
tenor draft
to compensate for
tone control
unidirectional illumination
unscented
upstander
ushed
vicissitudious
Waterton Lakes
what's shakin'
x-file