蓄能泵机械效率

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(170) / 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(196) / 评论(0) 分类 高中英语人教版高一

[00:04.78]1 Explaining where things are(pape 20) [00:11.44]Ouch!What's up? [00:15.10]I've just cut my finger on this nail. [00:19.17]Let's have a look.Oh,yes.That's quite nasty. [00:24.14]I'd better run it under the tap. [00:27.51]Have you got any pl

发表于:2018-12-13 / 阅读(353) / 评论(0) 分类 创新英语教程第一册

Business 商业 Iberdrola: The energy-storage question Iberdrola:能源短缺问题 A trail-blazing utility that against full distributed energy. 一个风能先驱对电池持有怀疑的态度。 One of Ignacio Galan's early jobs as an engineer w

发表于:2018-12-31 / 阅读(178) / 评论(0) 分类 经济学人商业系列

Beginners. It's that time of year again. I find myself rushing around with lists of things to do. I need to get the Christmas cards written and sent out to my list of friends and family. This year, we decided to send a family photo, which is what a l

发表于:2019-01-01 / 阅读(190) / 评论(0) 分类 英语博客 A cup of English

Last week, Apple told the world about its latest products at an event in California. The company presented three new iPhones, new Apple Watches, and a new Apple TV. The company is also making big changes to its stores. We will start with those. Apple

发表于:2019-01-03 / 阅读(274) / 评论(0) 分类 2017年VOA慢速英语(九)月

That's the sound of clean coal. Well, cleaner coal. A relatively small unit attached to the smokestack at the Mountaineer Power Plant in West Virginia is capturing some 1.5 percent of the carbon dioxide the coal-fired plant would otherwise belch into

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(十一)月

各国都有各种各样的乐坛新秀选拔大赛,Some Any这支一男一女的流行团体则是来自德国的一支通过选秀节目发迹的乐团,两个人分别是年仅十八岁的女孩Vanessa Meisinger和有着一半巴西血统和一般

发表于:2019-01-10 / 阅读(152) / 评论(0) 分类 天籁音乐

音乐咖啡厅:Some Any - Mechanical heart 相关介绍:各国都有各种各样的乐坛新秀选拔大赛,Some Any这支一男一女的流行团体则是来自德国的一支通过选秀节目发迹的乐团,两个人分别是年仅十八岁的

发表于:2019-01-11 / 阅读(236) / 评论(0) 分类 音乐咖啡厅

Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge

发表于:2019-01-12 / 阅读(161) / 评论(0) 分类 2012年VOA慢速英语(十一)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(137) / 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(137) / 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

Lesson Two 听力部分 Dictation: Please prepare your paper and pen. _____ to recall to the ____. ____________ after absorbing _______________, _______ the key ________ of the ________ in your ____. Don't _____ if ___'__ _________ some of it. Do ___

发表于:2019-01-14 / 阅读(171) / 评论(0) 分类 王强口语 第二册

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(169) / 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(186) / 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

CCD 分辨率 CCD Pixels 影像分辨率 Image Size ISO 感光度 Sensitivity 镜头性能 Lens 数字变焦 Digital Zoom 自动对焦 Autofocus 手动对焦 Manualfocus 一般对焦范围 General Shooting Distance 近拍对焦范围 Macro Shooting D

发表于:2019-02-04 / 阅读(186) / 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(180) / 评论(0) 分类 学个词
学英语单词
a-contact
adjacency martix
alcuni
alter christus
Alyxia acutifolia
applied biochemistry
arrange buttons
at work on
bar apparatus
becoming of
biostrain
boltzmann-matano method
button-head screw
carcinomatophobia
charity stripe
choke circuit
circumvolutory
completed task
congenital renal cystic diseases
Cowley Father
Cubosphaeridae
denize
dies ad quem
direct cone clutch
dispiritingly
dolphin-friendlies
don't come the raw prawn with me
duty factor action
educational attainment ratio
effective area of antenna
Eriswil
esque
excelses
extersive
fall prey to
family bombyliidaes
feedback voltage
figure-hugging
filefishes
fire and explosion index
foil carrier
hominy feed
in-built
industrial hire purchase
International association of Institutes of Navigation
Kabadüz
launching clause
lexloci
MacDonald, (James) Ramsay
man-machine interrogation
margalitic soils
mechanical balance type
message drain
mid-tech
millicurie(mci)
mingledly
mission allowance
mode of acquisition
mommykins
monkey disease
moroso
myrmekite structure
nitrobenzene azonaphthol
nomngra
nonvaginal
obsolescence charge
off-the-road tire
Old Bulgarian
pee-wee
phone watch
plastic syringe
pneunatic power hammer
principal value
probe-type liquidlevel meter
reactor outlet pressure
reference map
repandus
rose crucible
rotation of molecule
rugged country
Sankt Gangloff
semi-parabolic
solid-liquid ratio
soul foods
speed decreasing mechanism
spring squeak
taniguchis
terminal stress
the Big Drink
tongue and groove joint
toughened glass suspension insulator
trichosporon pullulans
triplicostate
tungsten ore
undisposed
unhives
voltage effective value
voluntary chain (store)
wangers
Wool-pulling
wristbone
zuider zees