涡轮高真空泵,涡轮分子泵,汽轮分子泵

[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(161) / 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(134) / 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(142) / 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(163) / 评论(0) 分类 高中英语人教版高一

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(四)月

I've heard C# was created in a room with a group of designers. 听说C#是你的设计小组在一个房间里设计出来的。 Yes. It was the same room for four years. 是的。我们在同一个房间里待了4年。 Were still in that room every

发表于:2018-12-28 / 阅读(91) / 评论(0) 分类 创业成功人士访谈录

1. What is the man's main problem with his computer? A. It crashes a lot. B. His computer has a virus. C. It has a lot of junk software. 2. What is the issue with the computer warranty? A. The warranty has expired since he bought the computer. B. The

发表于:2018-12-28 / 阅读(96) / 评论(0) 分类 听英文对话做选择

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 Scientific American(十)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(102) / 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(132) / 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(101) / 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(144) / 评论(0) 分类 VOA标准英语2010年(四)月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(148) / 评论(0) 分类 2016年Scientific American(十)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(124) / 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(147) / 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(184) / 评论(0) 分类 365个英语简短小故事

I know your mom has a She is staying at home and taking off work. 我知道你母亲 辞职在家 Because she has to support you.There is a lot medical bills. 因为她要照顾你 你们要负担大额医疗账单 Do you like basketball?You love it?

发表于:2019-02-15 / 阅读(102) / 评论(0) 分类 艾伦脱口秀

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(72) / 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(143) / 评论(0) 分类 学个词

Head in the game, head in the game! My name is Turbo. I just wanna go a little faster. Yes! Seventeen minutes. That's a new record! Let's go, people! Pick it up! ________________1___________________. I have a life? I wish I was faster. Oh, no. What's

发表于:2019-02-27 / 阅读(160) / 评论(0) 分类 英文电影预告片填空
学英语单词
a la carte
achmat
active interrogation
ameridata
anesthestospasm
annual institute in communication
aphua
ascopan
at hard edge
back current brake
BB-S-226
bed-component
Benchley
boomster
booster transformer
buggee
cavitation erosion
central fore-and-aft vertical plane
chondrotomy
coagulo reaction
complete coloring
continuous progression code
cordis neurasthenia
coreomyces micronectae
denopterin
direct print plywood
disabled folders
episinus punctisparsus
everex
face sth out
Folling
foundational narrative
fresh water biochemistry
gangl
Gentiana thermalis
Guruhood
heart urchins
heat-inactivated
heavily-doped
hordeola
hydrazinium selenate
identification of human remains
incidence loss coefficient
infantum tabes
internationalisms
laser-etched
letter-bomb
linear motion bearing
lintensity meter
load control rheostat
Long Lake National Wildlife Refuge
loveth
low-melting-point eutectic
mau-maued
Mbanga
military technological economics
modulus-weight ratio
Montebello Vicentino
multi-arm
multicolor finish
neurosexist
open crank case compressor
panhandled
Peranakans
perinaldo
permissible loads
pilot cloths
precision industry
professly
quarter wave plate
radio and television
radioactive detector
reduced system of residues
reduction by hyperextension of spine
religious ritual
roll brush
rudder lock pintle
running curve
saccharization
Samcheong-gun
scarlatinal toxin
scissors lifter
simple formatted record
single-blind technique
slope of stairs
sodium hydrosulfate, sodium hydrogen sulfate
steam piano
stress relaxation test
systemization
televiewing
toeclipping
tractus striatothalamicus
traister
uncarbonated juice
us friend
villarette
water-lock
Weber joint
wemay
wraak
yes siree
zinconise (hydrozincite)