制循环泵,强制循环泵

Is Ebola airborne? 埃博拉可以通过空气传播吗? The answer is no, its not. But today, I want to take just a couple of minutes and show you why not. I think youre going to find this really interesting. 答案是否定的。但是今天,我想

发表于:2018-12-02 / 阅读(163) / 评论(0) 分类 CNN美国有线新闻2018年6月

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2018-12-04 / 阅读(172) / 评论(0) 分类 英语每日一词

Our computer files arent like they used to be. These days a short HD video can be over a gigabyte in size. That's huge. The problem is that the bigger they are, the harder they are to share. Thankfully, we have options that make sharing big files ove

发表于:2018-12-11 / 阅读(126) / 评论(0) 分类 英语解说豆知识2011年

Although he is one of China's most famous scientists, Yuan Longping considers himself a farmer, for he works the land to do his research. Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmers

发表于:2018-12-12 / 阅读(190) / 评论(0) 分类 高中一年级英语

[00:24.89]Unit 1 The summer holidays [00:29.15]Lesson 1 Dialoges [00:33.59]1 Two students meet for the first time at the beginning of term. [00:40.15]Bill: Hello.I'm Bill.What's your name? Harry: Harry. [00:46.11]Bill: Which school were you at last y

发表于:2018-12-13 / 阅读(196) / 评论(0) 分类 高中英语人教版高一

I couldn't believe my eyes! The car was upside down and the driver was bleeding and screaming. One of the passengers was on the ground. It looked as if she were dead. If I had known more about giving first aid, I could have helped them. People who ha

发表于:2018-12-29 / 阅读(140) / 评论(0) 分类 人教高中英语高二

Mind-Controlled Prosthetics Are Getting Closer Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics creation of limbs that can be controlled by the wearers mind. Thanks to sophisticated sensors capable of

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 VOA标准英语2015年(五月)

SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i

发表于:2019-01-07 / 阅读(152) / 评论(0) 分类 科技之光

AS IT IS 2016-03-11 Aung San Suu Kyi 'Apologizes' to Supporters昂山素季为未能成为下届总统而道歉 The longtime opposition leader of Myanmar, Aung San Suu Kyi, has apologized for not becoming the countrys next president. She posted a let

发表于:2019-01-12 / 阅读(189) / 评论(0) 分类 2016年VOA慢速英语(三)月

By Melinda Smith Washington 28 March 2008 Last month we told you about a young woman in the United States who got an experimental heart pump to help keep her alive. VOA's Melinda Smith has an update on her remarkable story.

发表于:2019-01-12 / 阅读(140) / 评论(0) 分类 VOA标准英语2008年(三月)

The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles

发表于:2019-01-13 / 阅读(165) / 评论(0) 分类 VOA标准英语2010年(一月)

Life-saving Heart Pump Developed for Children Sixteen-year-old Marco Murguia can now play basketball and live a normal life. But in early 2007, when he was ten, his mother, Connie Murguia, noticed he was acting sluggish and took him to Texas Children

发表于:2019-01-13 / 阅读(138) / 评论(0) 分类 VOA标准英语2012年(八月)

'Horseheads' dip into the earth to make their owners a few bucks Ted Landphair | Washington, DC 31 March 2010 If you wonder why pumpjacks are sometimes called horseheads, stick a couple of ears and paint an eye on each side of this one, and you'll se

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 VOA标准英语2010年(四)月

Is Ebola airborne? 埃博拉可以通过空气传播吗? The answer is no, its not. But today, I want to take just a couple of minutes and show you why not. I think youre going to find this really interesting. 答案是否定的。但是今天,我想

发表于:2019-01-19 / 阅读(156) / 评论(0) 分类 CNN美国有线新闻2018年5月

He was going to ride his bike down to South Ferry. He squeezed the tires. They were soft. They needed air. I should buy a pump one of these days, he thought. He rode his bike to K-Mart on 34th Street. He walked the bike inside the store. He went to t

发表于:2019-01-22 / 阅读(172) / 评论(0) 分类 英文短篇故事(纽约)

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-02 / 阅读(189) / 评论(0) 分类 英语单词荟萃

The blue bike was sitting in Owens living room. It had no kickstand, so he had wedged the front tire in between two bookshelves so that the bike would stand upright. Both tires were flat. Dust covered the bike. However, no household spiders had set u

发表于:2019-02-03 / 阅读(219) / 评论(0) 分类 365个英语简短小故事

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-16 / 阅读(181) / 评论(0) 分类 学个词

作文题目: 题目要求: Shopping through Media 1. 目前许多人通过媒体购物 2. 媒体购物有利有弊 3. 我的看法 2015年12月英语四级作文范文:媒体购物 参考范文: Shopping through Media With the development of s

发表于:2019-02-17 / 阅读(163) / 评论(0) 分类 四六级写作指导

At one time it was believed that heat was a liquid. Sure, that sounds kind of crazy, but if you think for a second, you might see why. Suppose you have an object thats very hot say a metal spoon thats been sitting in hot coffee. Pick it up and you ca

发表于:2019-02-23 / 阅读(126) / 评论(0) 分类 英语时差8,16
学英语单词
a smidge
abrasion-resistant steel
absolutely majorized subset
adenosarcomatous rhabdomyoma
aerial mast
all-action
almond willows
aminoglycoside nephropathy
antifumigatus
arcelia
Balloon-A-Gram
basic level unit
beam straightening equipment
borcarite
brazile
brominated pyranthrone
capacity balance
carrier to noise ratio
Cirrhopetalum retusiusculum
climap project
contact manager
CPY24
Democratic Socialist Party
deputy procurator-general
desternute
eccm (electronic counter-countermeasure)
Emancipation Manifesto
Eulophilla
Fast safe bind.
Federation of Rhodesia and Nyasaland
fertilizing corpuscle
free in and out stowed
functorial analysis
gewisse
gravimeter scale value
guinea and feather experiment
gyrocircles
heterophotus ophistoma
high-glosses
hybridized atom
instantaneous rate
jiningite
jots
kephir
killeth
knee phenomenon
laryngogram
lauralee
make oneself at home
mean energy loss
ministerium
mixing arm
more than
multimolecular layer adsorption
Nagayeva, Bukhta
nanoflare
Nkulengu rails
no case to answer
nutrient status
party dealignment
pencatite
phonograph
photoluminescent polymer
piecruse promise
pneumatic knockout machine
podkrepas
process table
proven reactor type
provisional charter
puoztas
put and call options
Q interface
reliability subsystem
retainer ring
se-tangle
secondary noise
Seefeld in Tirol
Senofo
sensorineural
single-mode fiber's splicing attenuation
sprayer jet arc
static split system
stop to do something
sulphate of potash and magesium
sweet meat
taken
theory of two signal systems
thermal comfort
Thomas Straussler
timing experiment
Trigonotis formosana
trimonoecious
undaria pinnatifida(haw)suring
undifferentiated lymphoma
valve rocker shaft spring
video display generat
vis animi
weapon type
weigands
Wells-next-the-Sea
Wijk
xanthan gums