真空漏气速率

[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(125) / 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(88) / 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(94) / 评论(0) 分类 365个英语简短小故事

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(214) / 评论(0) 分类 上海牛津初中英语七年级

He had a beautiful car. It was a Cadillac. It was a 1993 Cadillac. It was a four-door Cadillac. It was light brown. It had a big engine. The big engine didnt leak oil. The big engine didnt leak water. He drove his car only five miles a day. He took g

发表于:2018-12-18 / 阅读(80) / 评论(0) 分类 超级简单英语阅读

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(92) / 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(64) / 评论(0) 分类 快口说英语

I am feeling pretty energetic when I finish my three cookies and decide to do a little cleaning. 吃完三块饼干后,我感到精力充沛,决定去打扫一下房间。 I take out a rag and start dusting the living room. 我拿出一块抹布,

发表于:2018-12-28 / 阅读(46) / 评论(0) 分类 ESL露西的一天

Joachim: I'm really having second thoughts about hiring a firm to do corporate spying for us. I don't want to do anything that's ethically questionable . Dawn: We have no choice but to do it. All of our competitors conduct corporate espionage . Joach

发表于:2019-01-07 / 阅读(48) / 评论(0) 分类 地道美语播客

WASHINGTON, July 26 (Xinhua) -- White House Spokesman Robert Gibbs on Monday said the United States is investigating the leak of over 90,000 classified reports about Afghanistan war. Gibbs said there is an ongoing(不间断的) investigation that

发表于:2019-01-07 / 阅读(88) / 评论(0) 分类 英语新闻

A: Honey, the house is such a mess! I need you to help me tidy up a bit. My boss and her husband are coming over for dinner and the house needs to be spotless! B: Im in the middle of something right now. Ill be there in a second. A: This cant wait! I

发表于:2019-01-22 / 阅读(76) / 评论(0) 分类 英语播客-EnglishPod

He had a beautiful car. It was a Cadillac. It was a 1993 Cadillac. It was a four-door Cadillac. It was light brown. It had a big engine. The big engine didn't leak oil. The big engine didn't leak water. He drove his car only five miles a day. He took

发表于:2019-01-24 / 阅读(50) / 评论(0) 分类 英语第1级听力-English Level 1

今天我们要学的词是leak。 Leak是泄漏消息的意思。The contents of the report were leaked to the media, 是说报告内容被泄漏给了媒体。公司裁员的消息不知被什么人走漏了风声,the plans for the layoff have so

发表于:2019-01-25 / 阅读(74) / 评论(0) 分类 英语每日一词

By Cynthia Kirk Broadcast: October 11, 2003 This is Bob Doughty with In the News, from VOA Special English. Officials are investigating who in the Bush administration identified an American intelligen

发表于:2019-01-30 / 阅读(186) / 评论(0) 分类 VOA2003(下)-教育与新闻

By Steve Herman Bhopal, India 03 January 2008 It has been nearly a quarter-century since a gas leak at a Union Carbide pesticide factory killed thousands of people in Bhopal. Today, the central Indian city is trying to reclaim its reputation as a maj

发表于:2019-02-05 / 阅读(60) / 评论(0) 分类 VOA标准英语2008年(一月)

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(127) / 评论(0) 分类 英语新闻

HELSINKI, Nov. 7 (Xinhua) -- A data leak was uncovered in Finland Saturday, in which personal details of around 16,000 people were uploaded onto a file-sharing website, according to Finnish media report on Monday. This act of sabotage is the largest

发表于:2019-02-08 / 阅读(74) / 评论(0) 分类 英语新闻

Government officials in Japan say it could take months for radiation(放射辐射) leaks to be brought under control at the Fukushima Daiichi nuclear power plant. The Fukushima Daiichi plant continues to spew radioactive water into the Pacific Ocean

发表于:2019-02-08 / 阅读(84) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us today for Spotlight. Im Rebekah Schipper Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 3 The ni

发表于:2019-02-21 / 阅读(91) / 评论(0) 分类 环球英语 Spotlight

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(136) / 评论(0) 分类 快口说英语
学英语单词
aard-wolves
abons
accounting manager
ambulism
Anhydrokainite
antisepticized
arcate
arriuall
back run
baselight
blastic deformation
body checking
boletus palliduss
bottom-dump haulet
Brücktal
Caprimulgus europaeus
cecilienhof
coin-like focus
compartment-water-leakage system
concentric structure
conger conger
crotty
crude alcoholmixture
cuppiness
cypraea scurra
data construction
diagonal roll
diluted HCl solution circulating pump
discriminating dose
Dounan Township
eclosing
Einstein's equivalency principle
El Escudo
eloign
equilibrium vaporization curve
factorized
Feni
five-digit numbering
flat oyster
floppy disk/hard disk
Gelvisc
geracomium
green lantern
gutsing out
hanessian
Heberden
Heteropappus altaicus
high-speed semantic
human capital management (hcm)
inner bottom longitudinal
input-output-state relation
interactive instruction system
irrespective of
kumaran
kungfu shoes
laffis
lanosterol type
lingwort
liripipe
magnetic response
massive ore
MCHF (maximum critical heat flux)
mint money
misbuttoning
Money talks
mont blancs
neoendemicspecies
open top trailer
oxanorbornenes
penfield
peripheral processor
phosphoesterases complex
piat
picocell
post scripts
propipette
relative error of the period
restagnated
retaining log
room condition
rough finish
rubiazol
Senecio exul
sharp built vessel
skate sailing
store essential substances
stylopharyngeus
svalocin
switching mode voltage stabilizer
thrippences
tidal load
tow-truck
unsplit
upstroke heater
Varnsdorf
vehicle maintenance on universal post
vertical slice
vinc fibre
weed seed oil
wild-water rafting
wired telemetry
working function