[网络] 泵压头

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(274) / 评论(0) 分类 英语每日一词

Here's the key part. 接下来是关键的部分。 The solution nearest the wall spins faster than the solution closer to the middle. 离试管壁最近的溶液,要比中间的溶液旋转得更快。 That difference in velocity creates sheer str

发表于:2018-12-18 / 阅读(223) / 评论(0) 分类 TED演讲教育篇

Boys just____ for the____ of it but girls will not waste___ on competition unless it pays. A Canadian study has___. Rose and Roy from the Gill University in Montreal and her colleagues got forty groups of four boys and four girls aged five to six or

发表于:2018-12-30 / 阅读(356) / 评论(0) 分类 听听测测

bead, [bi:d] n 珠子,水珠,准星 【例】She wore a string of beads 她挂了一串珠子。 有孔小珠; 念珠 水珠; 水泡 算盘; (枪的)准星 【建】凸圆线脚, 串珠线脚 【机】卷边; 车轮圆缘 焊珠, 焊蚕, 焊缝; 叠

发表于:2018-12-30 / 阅读(196) / 评论(0) 分类 不择手段背单词

When Jack bowed to someone, he always did it at lightening speed. You shouldn't wait any longer after he has had his head nod. So he was blamed for no manners. Then some warmhearted men taught him,

发表于:2019-01-03 / 阅读(326) / 评论(0) 分类 英汉幽默故事选读

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(248) / 评论(0) 分类 Scientific American(十一)月

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. Beadwork has a long history as an art form practiced by American Indians and other cultures around the world. Today millions of people e

发表于:2019-01-09 / 阅读(273) / 评论(0) 分类 VOA慢速英语2009年(五)月

追寻彩虹 After the rain of the sky, quiet, fragrant, with a delighted Jiejing vegetation. In the distance, I do not know what the earth a place, saw there a beautiful rainbow painted a beautiful arch, dazzling in the thin air. A b

发表于:2019-01-11 / 阅读(273) / 评论(0) 分类 阅读空间

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(240) / 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(273) / 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(260) / 评论(0) 分类 VOA标准英语2012年(八月)

US Bead Parties Boost Ugandan Women Its party time for Madison Blandford and three dozen of her girlfriends. The 11-year-old invited her classmates and neighbors to see - and buy - beaded jewelry made by women in Uganda. My grandma got me a bracelet,

发表于:2019-01-13 / 阅读(237) / 评论(0) 分类 VOA标准英语2012年(七月)

'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(315) / 评论(0) 分类 VOA标准英语2010年(四)月

1. What is Mardi Gras?Mardi Gras 是什么呢? Mardi Gras 的由来是在于天主教徒在复活节之前会有斋戒的仪式, 在这个斋戒之前呢? 当然要好好的大吃大喝一番了, 所以 Mardi Gras 就这样生成了. 通常在 Mardi

发表于:2019-01-15 / 阅读(194) / 评论(0) 分类 英语口语

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(274) / 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(282) / 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(355) / 评论(0) 分类 365个英语简短小故事

杏眼:almond-shaped 小而亮的眼睛:beadlike 美丽的:beautiful 大的:big/large 明亮的:bright 眼珠突出的:bulging 离的很近的:close-set 深陷的:deep-socketed/deep-sunken 水灵灵

发表于:2019-02-04 / 阅读(197) / 评论(0) 分类 英文语法词汇

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(345) / 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(284) / 评论(0) 分类 学个词
学英语单词
A positive
A stitch in time saves nine.
acrocont
Addressee.
aerial strip survey
Aero Bee
air tester
Amhara Plat.
amoreira
amphenicols
antalgics
antique dealer
bioacoustician
black cloth
blood mole
brinereturn ring
bus priority signal
canonical mapping
capnography
ceraunite
chemical stabilization
Chesniella mongolica
chorio-
clendon
Cloonacool
cohort life table
common or garden
consecutive data set organization
coracoacrmial ligament
crowds of
defacto population
demisexual
diagonalizes
duncombes
efficiency of feed utilization
error in valuation
exist
fastness to alkali perspiration
find verdict
Fluorchlorapatite
genus aethusas
gets by
guarding behavior
Gymnadenia bicornis
hargrove
hop count limit
hydroacoustic
hydrogen-ozone reaction
implementation-specific
import commission agent
input/output board
insusceptible
intertidal pool
intrencher
judgement in personam
Khrushchyov
lutjanus rivulatus
Meadow Bridge
miell
mizen-topsail
moneyboys
mutitas pathematica
nandids
necrotizing
nonjusticiable
obligative parthenogenesis
palladic compound
piggy-wig
plasma activator
posterior pillar of fornix
precursor signal
proton resonance
pseudodistances
pteridons
recarbonised
respiratory alkalosis
rotating vane
rule management system
Rübenau
scrofulaceum
seascape
Selangor, Sungai
shih huo hu
SiC-based carbon block
sight rate of exchange
snoire
sodium sulfocyanide
spaniards
sphen-
stand on her own feet
stards
SUAC
tetrammine cobaltichloride
thermocouple microphone
thurgood
trance dances
transparency dye
two-stage melting process
underapplied manufacturing expenses
Visct
wall scattering
wine soil