真空泵扬程

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(168) / 评论(0) 分类 英语每日一词

[0:0]urban城市的 [0:32.7921]urge urgent utility utilize鼓励,激励 紧急的,急迫的 功用,效用 利用 [1:11.2978]utmost vacant vacuum vague极度的,最大的 未被占用的,空着的 真空 含糊的,模糊的 [1:52.9962]vain valid vanish variable徒劳的,无效的 有效的,

发表于:2018-12-05 / 阅读(200) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She

发表于:2018-12-07 / 阅读(139) / 评论(0) 分类 原版英语小短文

Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it

发表于:2018-12-11 / 阅读(150) / 评论(0) 分类 365个英语简短小故事

[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(192) / 评论(0) 分类 高中英语人教版高一

Module 4 The natural elements Unit 1 Electricity today [00:11.08]自然世界 今日电的作用 [00:22.15]Read,learn and think [00:25.47]Electricity is very important to us. [00:27.73]电对我们相当重要。 [00:29.99]I'm going to show a video.

发表于:2018-12-17 / 阅读(326) / 评论(0) 分类 上海牛津初中英语七年级

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 Scientific American(五)月

No. 26 Can you help me wash the car? 第二十六课 你可以帮我洗车吗? Practice Listen and Repeat A 1. I use the carwash at the gas station. 我在加油站洗车房洗车。 2. She sprayed me with the hose. 她用水管溅了我一身。 C

发表于:2018-12-25 / 阅读(118) / 评论(0) 分类 快口说英语

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 step [ step ] He took a step towards t

发表于:2018-12-30 / 阅读(144) / 评论(0) 分类 每日攻克5词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 lift [ lift ] The huge airplane lifted

发表于:2018-12-30 / 阅读(170) / 评论(0) 分类 每日攻克5词

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(134) / 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(163) / 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(133) / 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(181) / 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(168) / 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(183) / 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(213) / 评论(0) 分类 365个英语简短小故事

CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen

发表于:2019-02-05 / 阅读(184) / 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(179) / 评论(0) 分类 学个词

9.有客来访Who's there? 是谁呀? 1.Who's there? 谁在那里? 2.Who is it? 你是谁? 1.Unlock the door and let me in. 把门打开让我进去。 2.May Icome in? 我可以进来吗? 1.Ring the doorbell.请按门铃。 2.Please use the d

发表于:2019-02-27 / 阅读(205) / 评论(0) 分类 快口说英语
学英语单词
abraded yarn
agoraphobe
Al sace
anethum oil
angle-resolved photo emission spectroscopy (arpes)
anisminics
archeologies
Balangir
Bangula
co-starring
coigns
collodion replication
compositionmetal
computer image
craseology
cross border
custom sort order
Dal'negorskiy Rayon
deltoid tubercies
diethyl dithiolisophthalate
difficulte
direction method
drynaria mollis bedd.
emmeram
epifriedelin
export value of imported merchandise
fire detection device
fistulize
fortutous
freezing interface
gaybo
Georgetowners
hansler
high speed steel ingot
Hizen
hotdog
hydrofluoric acid precipitation method
if not for
international radio science union (ursi)
interpersonal
isocarboxazid
kephalepsalkis
klonsky
kogias
lacunar development
lagosuchid
Langmuir-Hinshelwood mechanism
light process oil
malleefowl
minimum weight of equipment
mode-definition
muricola psittaci
naucleas
neugebauer
non-disposable
nondissociable
oil-base paint
on-line monitoring of the reactor
orchidalgia
peak handling
Poix-de-Picardie
potassium-magnesium manure
prelisting
Puigdalba
puppet-play
Radal
record of inspection
reinforced packing
resolidifying
ring D
romeralo
s-process
sciential
scrambling and unscrambling network
semi-menstrual inequality
shinjo
sippable
slab foundation
snuffbox space
spin wave side band
split crankshaft
stadens
Steierbach
subministrating
sungrazer
supermicro computer
the Customs officer
the unborn
thornless
tillandsias
travel(l)ing case
treating column
treelike
truxillo
two-piecest
unseduced
VEGF206
very coarse fodder
vieng
wall attached jet
wellborn
wrappeth