凸叶转子泵

A Century of Memories (1920-1929) At the 1) dawn of the 1920's, America was clearly entering a new era, an era defined by a vast and complicated urban culture that would dominate the rest of the 20th

发表于:2018-11-28 / 阅读(379) / 评论(0) 分类 疯狂英语2003年

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(197) / 评论(0) 分类 英语每日一词

[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(232) / 评论(0) 分类 高中英语人教版高一

A schoolboy stole a book from one of his school-fellows,and brought it home to his mother.Instead of chastising him,she rather encouraged him in the deed.As time went by the boy,now grown up into a man,began to steal things of greater val

发表于:2019-01-07 / 阅读(155) / 评论(0) 分类 趣味英语

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(160) / 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(191) / 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(161) / 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(210) / 评论(0) 分类 VOA标准英语2010年(四)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(195) / 评论(0) 分类 英文短篇故事(纽约)

15At the end of every seven years you must cancel debts. 2This is how it is to be done: Every creditor shall cancel the loan he has made to his fellow Israelite. He shall not require payment from his fellow Israelite or brother, because the Lord 's t

发表于:2019-01-26 / 阅读(200) / 评论(0) 分类 申命记

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(282) / 评论(0) 分类 有声英语文学名著

52 海豚的自我意识 DATE=5-30-01 TITLE=SCIENCE REPORT - Dolphins' Self-Recognition BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(215) / 评论(0) 分类 科技之光

Learning how to knit might not be at the top of your fall to-do list, but it should be. Not just for your grandmother anymore, knitting has a wide variety of benefits beyond having something comfy to wear/snuggle/give away at the end of the process. 学

发表于:2019-02-01 / 阅读(219) / 评论(0) 分类 实用英语

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:2019-02-02 / 阅读(213) / 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(245) / 评论(0) 分类 365个英语简短小故事

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(189) / 评论(0) 分类 英文语法词汇

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(214) / 评论(0) 分类 实用英语

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(217) / 评论(0) 分类 学个词

很多20几岁的年轻人觉得自己在这个世界上还有大把时间,怎么度过自己的20几岁无关紧要。但事实是,20几岁的人生轨迹非常重要。你在20几岁奠定下的人生基础将会决定你的一生。所以,认真

发表于:2019-02-19 / 阅读(146) / 评论(0) 分类 英语美文

Because, you know, the one thing, one thing that you get with this disease, 因为有一样东西,得了这种病你会得到它 this one comes with a package, is you get a real sense of shame, 这是整套附送的,就是你会感到很羞耻 be

发表于:2019-03-04 / 阅读(211) / 评论(0) 分类 TED演讲教育篇
学英语单词
above norm
Aksaray
alternating-offer games
alveolar saccules
ars poetica
B-CHOP
Bandan
banter with
benign granulomatosis
benzyl rhodanate
Buchan-type facies series
carrier program
chain closure
chemical lead
clamor
compensation micro-pressure meter
cyclosilicate
D. A. D.
double precision constant
earth foam
Ehrenhaft effect
Emām Qolī
entoparartis
Evans, Rudulph
exit pipe
fibre wax
fixing of budgets
FMBs
fox cub
geneagenesis
gilboy
given nitrogen rich organic matter in soil
grid following
health and quarantine station
hoof-mark
hope of life
hot-blast pressure indicator
howa
hypozeuxis
illegal strike
imperviousnesses
impulse charge
inogranic coating
intrapsychical
jiujitsu
justler
key man insurance
kumujian
laminating method
lect
Leisele
lobster
look after one's fence
low stress brittle fracture
make or meddle
manganic phosphate
medium repair of heat-supply network
medium-alloy steel
monotonic variable
moonfaces
muscegenetic
ndtt (nil-ductility transition temperature)
nephotettix apicalis (st?l)
noncomplementary
nonhydrogen
optical-write-in mode
pleasure-pain principles
polarization analyser
pop out
privations
puerilisms
pulse duration modulation,PWM,PDM
querino
rachicerus proximus
sanitarybelt
Santana, R.
sauvages
seaplane berth
Sindarin
snakeline
speech disorders
steel bottle screw
stock-index
subpellicular
sun-strucks
swing bin
talk plan
taxuss
thallium sesquichloride
thermoelectric heating device
thyratron transistor
tick-tack sounds
trisulfapyrimidine
tungsten-carbide chisel
up the walls
up-to-date map
Vaternish Point
watchword
water supply equipment with roof tank
with all reserve
xerophthalmus
Zardeh Kuh Zard Kuh