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(261) / 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(162) / 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(120) / 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(127) / 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(97) / 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(282) / 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(124) / 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(93) / 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(96) / 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(203) / 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(131) / 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(187) / 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(158) / 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(155) / 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(245) / 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(130) / 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(104) / 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(95) / 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(162) / 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(173) / 评论(0) 分类 快口说英语
学英语单词
aguerried
Aquaroma
ashamed at
bakhara
bareass(ed)
baryrrhynchus poweri
befoe
between you, me and the doorpost
bunches
carry at
ceratium gravidum
cervicobrachial plexus
circular thin-layer chromatography
class entry
cohesivity
comet tail
cone-and-float meter
conflatory
continuous strip
core commodity
Cuq-Toulza
Dakin-Carrel method
diabetometer
Diban process
dingxiang shidi decoction
diphenylarsine oxychloride
dizzyingly
double base powder
drop earring
Dutch roll mode
eams
ectophragm
eMMC
entamoeba muris
exhaust filter
exinanitions
external diffraction
external terminal
fiber gyro
fieriest
fin and rudder area
flexible line
flux gate
four-light
Garda, Lago di
giloure
hard copper wire
Hardware as a Service
high-temperature scale
Hoi Xuan
Hydrangea discocarpa
iguanids
inter-electrode leakage
internally-oriented and closed economy
Joule heating
k-type
Law of the Place of Real Property
lesses
leverwoods
mAChR
malacothamnuss
metaphyllin
microhemodynamics
mucilaginous
O-type gasket
ocean-floor spreading
oil-water mixture
overlay register
paradise city
pep squads
process pump house
remote-reading instrument
resample method
retro-lingual gland
right part
rockling
safety fairway
Schmidel's anastomosis
series and-parallel circuit
sijo
single-hand drilling
special assessment lien
Spirllotropic
steel-tired wheel
strowans
stydy
subpsrietal
telelection
thallous scolecite
tommy boy
tourist goods
traveling wave klystron
true mean
truncated soil profile
Unimycetin
urrent-temperature coefficient
vagin-
volvariellas
Wansleben
wicket lock lever
womanhunt
yawnest