真空管电键器;真空管键控器

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(361) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

[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(295) / 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(201) / 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(221) / 评论(0) 分类 365个英语简短小故事

Undecided Voters Key to 'Super Tuesday' Vote in Ohio This is an incredible opportunity we have to exercise the rights that God has given us, but also our civic responsibility and our spiritual responsibility, said Pastor Matt Keller, Sunday morning a

发表于:2018-12-16 / 阅读(163) / 评论(0) 分类 VOA标准英语2012年(三月)

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(424) / 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(210) / 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(178) / 评论(0) 分类 快口说英语

No Housework Day is one of those days you see on calendars on the Internet but dont know where it came from. It is always on April 7th. It is one day of the year when it is OK to do nothing in the house. Everybody has the day off from doing the house

发表于:2018-12-29 / 阅读(194) / 评论(0) 分类 英语课程学习计划和讲义

Yvonne: This is 6 Minute English, I'm Yvonne Archer and Alice has kindly joined me for today's programme. Hello Alice. Alice: Hi Yvonne. Yvonne: Now Alice, how do you get around London? Alice: Ooh by bus, bicycle and usually the Tube. Yvonne: Aha, an

发表于:2019-01-07 / 阅读(320) / 评论(0) 分类 六分钟英语

By Deborah Tate Washington, DC 01 September 2006 watch Profile Senator Lugar The U.S. Congress is returning from its month-long August recess to face an ambitious legislative agenda and midterm elections in November. Several major issues such as the

发表于:2019-01-11 / 阅读(244) / 评论(0) 分类 2006年VOA标准英语(九月)

By Amberin Zaman Nicosia 27 January 2006 Turkish Cypriot community leader Mehmet Ali Talat says the European Union can and must play a major role in pushing for a settlement to re-unite the Greek and

发表于:2019-01-13 / 阅读(264) / 评论(0) 分类 2006年VOA标准英语(一月)

London's 'Tube' Plays Crucial Olympics Role Massive overhaul Head into the Tube and you never quite know what you might find. With 12 million passengers passing through every day - and three million more expected during the Olympics - the Tube is its

发表于:2019-01-13 / 阅读(272) / 评论(0) 分类 VOA标准英语2012年(七月)

North and South Sudan Friday marked the fourth anniversary of the signing of a peace agreement that ended Africa's longest-running civil war. But core issues remain unresolved and analysts say an external pressure not related to the accord is threat

发表于:2019-01-13 / 阅读(256) / 评论(0) 分类 VOA标准英语2009年(一月)

BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn

发表于:2019-01-16 / 阅读(361) / 评论(0) 分类 伦敦生活

KELLY MCEVERS, HOST: For millions of Americans, what they flush down the toilet goes into a septic tank. Septic tanks are convenient, but sometimes they pollute our waterways. Scientists are trying to track down that pollution with help from a federa

发表于:2019-01-17 / 阅读(210) / 评论(0) 分类 2017年NPR美国国家公共电台5月

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(190) / 评论(0) 分类 英语播客-EnglishPod

Hearing, smell and sight are all well refined. We can look at the sense of vision and see the attributes of a predator. T-Rexs eyes are 40 centimetres apart providing exceptional binocular vision, the ability to perceive depth. An eye is essentially

发表于:2019-01-23 / 阅读(177) / 评论(0) 分类 探索与发现2013年

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(254) / 评论(0) 分类 英语新闻

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(295) / 评论(0) 分类 快口说英语
学英语单词
adstrata
ajazi
allocated circuit
application object file
back lining strip
backsizing
base voltage
bastiment
be poorly off
beatsme
brei
bsu
Burgundian
calculator with arithmetic logic
cattle trail
central electrode
China United Tobacco Equipment Corporation
chroma scale
chromis flavomaculata
chs
conduct an experiment
continous culture
crest of wave
critical point tester
declarative semantics
decoding for goppa code
draft for collection
Edward Burne-Jones
electro-heat engineering
Erebus, Mt.
esco
fang-liker
Farr Bay
fission product carry-over
fraud audit
furnace waste heat recovery
furnisht
gram methods
Grand Bassa Co.
humankind
hung fire
insertional mutagenesis
Ionic order
jazzfest
kapit
kappa curve
killingly
kurmi
laboratory appliance
lag storage
less common metal
lherzolitic
local agency
magnesium chromate
marshdoyle
mira-types
mitches
mobile station
monacid salt
mouth cavity proper
mule bell
Nacalniotitasilite
non-index
op.cit.
open-armouring
osiatynski
outdwellers
pancratiums
pathogenic e. coli
photo conductive lag
photonephograph
pressure-measuring device
processing charge
product brand
professional cancer
Protectorly
Rhodes piano
rhopheocytosis
rot of peony
running hours
s-curve
selvedge-seaming
sepiolids
simber salt
smokey
spiked chain harrow
spiropagurus spiriger
structurale
stud key
supergraphic
sweep saws
teardrop tubeshoulder
territorial behaviour
thyridium
Titius-Bode law
Trade Agreement Committee
varactor diode parametric amplifier
vertical sualci
voiceprinting
Wepener
wet-air oxidation
working heads