人工瓣膜

Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history

发表于:2018-12-02 / 阅读(211) / 评论(0) 分类 2007年NPR美国国家公共电台

4. In an experiment pubished in 1988, social psychologist Fritz Strack of the University of Wurzburg in Germany asked volunteers to hold a pen either with their teeththereby creating an artificial smileor with their lips, which would produce a disapp

发表于:2018-12-04 / 阅读(121) / 评论(0) 分类 考研英语长难句讲解

[0:0]arithmetic arouse arrange算术 引起,唤起 安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留 人工的,人造的 艺术的,美术的 方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集 立法机构,议会 对...估价 人价值的,优点 [2:22.6436]as

发表于:2018-12-05 / 阅读(175) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(196) / 评论(0) 分类 创新英语

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(205) / 评论(0) 分类 访谈录2009

Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

发表于:2018-12-16 / 阅读(121) / 评论(0) 分类 VOA标准英语2015年(一月)

Unit 7 Where would you like to visit? [00:04.88]SECTION A [00:07.84]1b Listen.Where would San,Gina,and Lydia like to go on vacation? [00:17.71]Why?Fill in the chart. [01:00.55]2a Listen and number these statements in the order that you hear them. [01

发表于:2018-12-17 / 阅读(275) / 评论(0) 分类 新目标初中英语九年级(全一册)

REVIEW THREE For this lesson,you'll need a pencil and a piece of paper. Listen to this lecture about the history of the computer. Don't write anything yet.Just listen The inventor of the modern computer was an English mathematician,Charles Babbage. H

发表于:2018-12-25 / 阅读(114) / 评论(0) 分类 洪恩环境英语

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(247) / 评论(0) 分类 60秒科学

And all of the heavy hearts 所有沉重的心 Are broke in their backs 都悄悄地不为人知地伤痕累累 And all of the die-hard valentines 所有顽固的情人 Are calling me back 都在挽回我 You can find me in the restaurant 你会发现我

发表于:2019-01-03 / 阅读(122) / 评论(0) 分类 听歌学英语

BP is close to putting a new cap on the damaged well that's been spewing millions of gallons of oil into the Gulf since April's rig explosion. NPR's Richard Harris tells us the new cap has valves that might be able to stop the flow. The new cap could

发表于:2019-01-08 / 阅读(152) / 评论(0) 分类 2010年NPR美国国家公共电台7月

Russia and Ukraine have resumed the flow of natural gas to Europe, ending a mid-winter standoff that left millions of consumers on the continent without heat or power during 13 days of bitter cold. An official at a metering station owned by Russia's

发表于:2019-01-13 / 阅读(148) / 评论(0) 分类 VOA标准英语2009年(一月)

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(213) / 评论(0) 分类 VOA标准英语2011年(四月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(177) / 评论(0) 分类 VOA标准英语2011年(二月)

By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

发表于:2019-01-19 / 阅读(144) / 评论(0) 分类 VOA常速英语2008年(二月)

Chapter 13 End of Summer 第十三章 夏天的尾声 A trumpet has three little valves. They are for the fingers of the player. 一把小号有三个小活瓣。它们是让吹奏者用手指来按的。它们看起来就像这样: By pushing them

发表于:2019-01-29 / 阅读(152) / 评论(0) 分类 吹小号的天鹅

今天我们要学的词是 artificia。Artificial 人造的。artificial intelligence 人工智能。不久前,The FDA approved a new artificial retina device that would help some people regain part of their sight. 美国食品和药物管理局批准

发表于:2019-01-30 / 阅读(147) / 评论(0) 分类 英语单词荟萃

1、阀门种类术语 Air valves 空气阀门 Angle Stop valves 角式截止阀 Angle Throttle Valves 角式节流阀 Angle Type Globe Valves 门角式截止阀 Ash valves 排灰阀 Aspirating valves 吸(抽)气阀 Auxiliary valves 辅助(副)阀 Balance valves 平衡阀 Bellows valves

发表于:2019-02-01 / 阅读(136) / 评论(0) 分类 英文语法词汇

Human bodies are frail, easily damaged packages full of parts that can never fully come back once lost. Luckily, researchers worldwide are working on replacing every bit of the body to make us all cyborgs. 人的身体是十分脆弱的,有些娇弱的

发表于:2019-02-08 / 阅读(474) / 评论(0) 分类 阅读空间

Artificial Speech Mimics Real Thing 合成声音发展渐入佳境 未来虚拟声音真假难辨 At a University of Arizona laboratory, Professor Brad Story analyzes the voices of singers, actors and public speakers both live and on audio tape. 在亚

发表于:2019-02-12 / 阅读(213) / 评论(0) 分类 VOA标准英语2011年(十一月)
学英语单词
absolute rest precipitation tank
aerated bread
alpha-beta transition
alternating current series motor
ampliator winding
amplitude of beats
anchorstock pt.
anti-parallel crank
Arduenna strongylina
backward-search algorithm
Basiventralia
bed timber
bismuth subchloride
bit-serial bus
Blankenloch
blokeishly
bordes
Breviscapinun
bridge wall cover
chlamydomonadaceaes
Cinnofuron
climate change conference
convell
decoy target
diadem spider
difference equation
diogo
disko b.
duplication of name
eastern gray squirrels
EMSG
enjoli
error protection procedure
espanolas
evaporator condensate tank
factory-gates
fade-meter
frequency discrimination
fuel gravity system
great intensity
heale
housecloths
inlet clack
kallikrein-kinin system
kamei
key-bed
lampkin
lateral glabellar lobe
lateral instability of beam
Lemac
lone-pair ionization
m'lords
merger partner
minority programme
mis transistor (mis tor mis fet)
mu-lepton
multi-channel analyzer
nethir
newspaper ads
newyork-presbyterian
noiselessness
nonsterile
normocalcaemias
O'Casey
optimum track route
penible
PET scanner
play with one eye on the gallery
potty-train
prestressed unit
program state
pump test machine
radices isatidis seu baphicacanthi
Release of Security
reserve for insurance
rifametane
saccharums
shahpur (salmas)
Shaykh Idrīs
shoulder board
siliceous stromatolite
skip mackerel
spintometer
stylee
subsidize
super large scale integration
superheated vapor drier
tender evaluation
the necessities of life
Tillberga
toluic aldehyde
total dose
transparent plastic tile
trash receptacle
universal metre
versatile test analysis radar
virus (pl.viruses)
weed-killers
weft carrier
weight-molality
whamera
Williamsonia