[化] 高真空泵
A form of air pump in which exhaustion is produced by
a stream of mercury running down a narrow tube, in the manner of an
aspirator; -- named from the inventor.

ATTENDANT: Can I help you, sir? SAM: Yes, I've been sitting here for a few minutes. I'm waiting for someone to put gas in my car. ATTENDANT: I'm sorry, sir. But this is the self-service pump. SAM: Self-service? ATTENDANT: Yes. You must fill up the

发表于:2018-11-28 / 阅读(204) / 评论(0) 分类 旅游英语口语

[00:01.79]test 9 [00:03.35]Section A [00:04.74]Now let's begin with the 8 short conversations. [00:07.90]11. W: Will you take geology next semester? [00:11.31]M: I've had enough science courses. [00:13.75]Q: What does the man mean? [00:30

发表于:2018-12-04 / 阅读(138) / 评论(0) 分类 王迈迈大学英语六级预测与详解

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(116) / 评论(0) 分类 英语每日一词

Part 13 Ballast handling 1. Scuppers plugged. 2. Open sea suction valve and report. 3. Sea suction valve closed. 4. Ballast pump stopped.

发表于:2018-12-05 / 阅读(122) / 评论(0) 分类 海事英语

[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(138) / 评论(0) 分类 高中英语人教版高一

吕西安恩格乐(Lucien Engelen):众包你的健康 人人都为你的健康打工 将你的健康承包给大众 你可以通过智能手机找到当地的ATM(自动取款机),但倘若你需要的是除颤器怎么办?在TEDxMaastricht(经T

发表于:2019-01-05 / 阅读(75) / 评论(0) 分类 TED公开课:群体的力量

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(五)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(77) / 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(108) / 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(80) / 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(120) / 评论(0) 分类 VOA标准英语2010年(四)月

A: What's wrong? 出什么事了? B: My car has broken down. 我的车坏了。 A: Well, what should we do with it? 哦,我们应该怎么办? B: I'll ask someone to repair it. 我找人来修。 A: I have a flat tyre. 我有一个轮胎漏气了

发表于:2019-01-21 / 阅读(69) / 评论(0) 分类 旅游英语口语情景对话

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(101) / 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(122) / 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(161) / 评论(0) 分类 365个英语简短小故事

CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen

发表于:2019-02-05 / 阅读(132) / 评论(0) 分类 英语新闻

轻松自在的工作怎么说 (2008-12-08 14:00:18) Bankers hours Banker是银行家。三十多年前银行开门营业的时间特别短,从早上十点到下午两、三点就结束了,所以银行家的上班时间每天只有四、五个小时

发表于:2019-02-06 / 阅读(67) / 评论(0) 分类 实用英语

November 10 11月10日 Read it! 读读看! Taylor needs gas for her car. 泰乐的车子需要加油, She can go to the gas station on June Street. 她可以去六月街的加油站, Can Taylor pay cash there? 泰乐在那里可以付现金吗?

发表于:2019-02-16 / 阅读(54) / 评论(0) 分类 大家说英语

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(117) / 评论(0) 分类 学个词

上次我们学了两个由hour这个词组成的习惯用语,the eleventh hour解释最后时刻, zero hour意思是关键时刻。 今天我们再讲两个也是从hour发展而来的习惯用语,但和上次不同的是今天学的都表示欢

发表于:2019-02-17 / 阅读(66) / 评论(0) 分类 实用英语
学英语单词
accelerated hardening
acetylsalicylsalicylic acid
against all the odds
agenda-setting function
air-freshener
ankylorrhinia
antisensitization
articulated traffic
automatic constant
beacon buoy
befriendments
Beta-Thiocyanoethyl
blabba
callidities
Captain Kirk
centurion
chambliss
chinsing
Cieszkow
com device
compatriates
conch-
conchiod
core capability
creatoxicon
criorhina setosa
direct product lattice
dual-channel sound
EAAL
emburey
euphobia
feoffer
ferment rennet
first-stage construction
form divisions
formy
garands
gazumpings
geochemical facies
glider flying
graae
Great Goat I.
heart-fire flaming
high speed cone winder
hightle
hillish
house financial services committee
hydrouria
ibuterol
interchangeablity
intergenerational transmission
Jaaziel
Jikiken
M-protein
magnetic silencer
malace
maximum flame height without smoking
meet-up
metal protection
metatarsal fracture
mouse potatoes
multinational transfer pricing
neutralizing capacitor
next day fund
obturaion
origin subport address
partial chipless machining
phenylbutanoic acid
plagiomnium cuspidatum
pot-trained
precious stones
psychodynamic theory
public purchase
pyocine
R.V.to cavity seal ring
rafractive
ram controls
reproducible ignition delay
reserpiline
restricted licence
safe operating area
safety recommendation
salt flats
Santa Filomena
Scolopendridae
semicrista incisiva
single slag steel
snubber type shook absorber
South Sea Bubble
spatial preference
special examined
stubbornnesses
supraconscious
tarbox
telecentric optical system
uncontrollable marketing variables
unloyally
urban civilization
vertical plane
voting trusts
VVSS
watercares