单级扩散泵

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.09]2002 [00:06.29]Comparisons were drawn between the development [00:08.71]of television in the 20th century [00:11.03]and the diffusion of printing in the 15th and 16th centuries. [00:15.7

发表于:2018-11-30 / 阅读(217) / 评论(0) 分类 历年考研英语完型填空

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(172) / 评论(0) 分类 英语每日一词

Millions of smallholder farmers in South and Southeast Asia are attempting to diversify beyond staple crops to increase their incomes, nutrition, and resilience in response to climate change and shifting market demand. Although they are potentially s

发表于:2018-12-08 / 阅读(168) / 评论(0) 分类 VOA标准英语2017年(二月)

29. Boas felt that the culture of any society must be understood as the result of a unique history and not as one of many cultures belonging to a broader evolutionary stage or type of culture. 【分析】复合句。句子主干是Boas felt that。t

发表于:2018-12-30 / 阅读(165) / 评论(0) 分类 考研英语长难句讲解

30. Some attributed virtually every important cultural achievement to the inventions of a few, especially gifted peoples that, according to diffusionists, then spread to other cultures. 【分析】复合句。句子主干包含 attribute...to...结构

发表于:2018-12-30 / 阅读(157) / 评论(0) 分类 考研英语长难句讲解

词条 含义 近义 further vt. 促进,增进 advance adj. 更多的,另外的 additional , extra fuse v. 熔合 combine , blend fused adj. 熔合在一起的 fusion n. 核聚变 n. 熔化;联合

发表于:2018-12-30 / 阅读(212) / 评论(0) 分类 王玉梅托福词汇配套MP3

在GRE写作中,全球化的概念考查非常高频,而且全球化的概念和影响在其他类型(例如科技、教育、政治以及文化类话题中也高频被调用),因此面对这个高频的主题素材,特为所有同学补充全球

发表于:2019-01-03 / 阅读(171) / 评论(0) 分类 GRE英语

Dante (Alighieri) 1265 -- 1321 The Italian poet Dante Alighieri wrote The Divine Comedy, the greatest poetic composition of the Christian Middle Ages and the first masterpiece of world literature written in a modern European vernacular. Dante lived i

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 GRE作文

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(140) / 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)

'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

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(172) / 评论(0) 分类 英文短篇故事(纽约)

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(198) / 评论(0) 分类 经济学人科技系列

GRE频道在此与大家分享新东方北京学校GRE名师韩冰老师为大家带来的有关on the contrary的讲解。 似乎 on the contrary 掀起了一阵轩然大波,很多小伙伴都过来问我,老师on the contrary 到底想怎么样,

发表于:2019-02-01 / 阅读(173) / 评论(0) 分类 GRE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(189) / 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

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(150) / 评论(0) 分类 实用英语

Circulatory Function of the Liver While the liver is technically part of the gastrointestinal system, it also plays an important role in blood circulation. The liver has been called the antechamber of the heart because it collects and processes all o

发表于:2019-02-15 / 阅读(151) / 评论(0) 分类 英文语法词汇

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday. Researchers used an advanced MR

发表于:2019-02-16 / 阅读(133) / 评论(0) 分类 英语新闻

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(181) / 评论(0) 分类 学个词
学英语单词
A-Au
adjustable moulding bed
advisory jurisdiction
Amnat Charoen, Changwat
antenna radiation capability
anti-radiation agent
Apiezon wax
average tonnages per vehicle
aviano
babblin
Bacillus thermoliquefaciens
bake-oven
bovogenin
CAMAENIDAE
carbon tiiodide
ceo
chlonophobia
closed order
confessions
core constituent
cutter groove grinder
dances of automatons
delta ring flange
dialogos
distress message generator
Dvubratskiy
dynamic route stability
ealge vulture
echelon spectroscope
elated at
electrically erasable PROM
espresso coffee
faciculation
fastness to brushing
finite element stress analysis
furnisherr
gallichon
gapite (morenosite)
gnar
harryhorses
have a show of
headfirst dive
heel line
Heimerzheim
hultkrantz
hyper-realistic
hypsicera lita
hysteresis constant
I/O-bound
jubilancy
Kent, Rockwell
klea
labelled substances
learnedly
low-pressure safety cut-out
Malvern Wells
manoeuvre of ship
micro-reciprocal-degree
midwave diathermy
mini-bond
nayaunt
neurovascular pedicle skin flap
ob gene
oesophagodynia
One cannot make a silk purse out of a sow's ear.
oosporosis
ortho-nitrotoluene
paquet reed
parapraxia
parasteatoda tepidariorum
paravertebral abscess
Parth
pentathionic
phenyl-xanthydrol
photographic tape
piratery
port-royal-logic
program communication block mask
Proxazocain
Rehead
removal of fractured root
rotary press
running pop
salt hay
senna obtusifolias
shrew mole
Sloanea rotundifolia
solve a problem
speak in superlatives
starting preheater boiler
stowaways
sustainable energy
theory of real variable functions
Thourout(Torhout)
towing delta plate
Trachycarpus caespitosus
tunate
tweenesses
unacceptable condition
Vehic.
Waterhouse-Friderichsen