膜盒式真空计;膜盒真空计

Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew

发表于:2018-12-02 / 阅读(251) / 评论(0) 分类 初级口语教程

[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(152) / 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(110) / 评论(0) 分类 原版英语小短文

By Jessica Berman Scientists with the U.S. space agency NASA have begun investigating the crash landing Wednesday of the Genesis space capsule in Utah. The mission came to a disastrous end when a para

发表于:2018-12-08 / 阅读(128) / 评论(0) 分类 VOA2004(下)--健康科技

Bella: What's your blood type, Luke? Luke: It's A, I think. Why do you ask? Bella: Well, mine's B. Luke: So? Bella: They say people with A blood type get along very well with those with B blood type. Luke: Really? 你是什么血型? 贝拉:卢克,

发表于:2018-12-08 / 阅读(438) / 评论(0) 分类 赖世雄初级美国英语

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(117) / 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(258) / 评论(0) 分类 上海牛津初中英语七年级

RACHEL MARTIN, HOST: The Apollo 11 capsule took astronauts to the first moon landing and back. It is now a priceless museum artifact. Later this year, it'll go on tour around the country for the first time in over 40 years. NPR's Nell Greenfieldboyce

发表于:2018-12-18 / 阅读(80) / 评论(0) 分类 2017年NPR美国国家公共电台6月

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(117) / 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(83) / 评论(0) 分类 快口说英语

[00:00.00]UNIT 10 Lesson 39 [00:05.92]1.2 Hi,guys. [00:09.59]How was the trip to the museum? [00:11.58]It was great! [00:12.94]Really? [00:13.61]Yeah.There was a time capsule. [00:16.13]It was really cool! [00:18.07]A time capsule? [00:19.45]Wow!Tell

发表于:2018-12-29 / 阅读(146) / 评论(0) 分类 北师大版初中英语七年级下

发表于:2019-01-02 / 阅读(223) / 评论(0) 分类 知性英语

This is the VOA Special English Agriculture Report. Mike Henry has a two-hectare farm in Palmer, Alaska. About a year and a half ago, his goat Millie was giving him a hard time. She did not want to be milked. She kicked her back legs and stepped into

发表于:2019-01-11 / 阅读(88) / 评论(0) 分类 2010年VOA慢速英语(七)月

Researchers have developed a long-lasting capsule that, when swallowed, slowly releases medicine into the body. The researchers say the capsule was developed for treatment of the disease malaria. But they believe it could hold medicines for a number

发表于:2019-01-12 / 阅读(155) / 评论(0) 分类 2016年VOA慢速英语(十二)月

SpaceX Capsule Docks with ISS SpaceX's Dragon capsule made history when it approached the International Space Station, becoming the first private spacecraft ever to do so. The robotic capsule free floated 10 meters away from the orbiting lab, and the

发表于:2019-01-13 / 阅读(102) / 评论(0) 分类 VOA标准英语2012年(五月)

VOA,VOA标准英语,Washington,NASA,capsule,By David McAlary Washington 15 January 2006 Tom Duxbury, Stardust Project Manager for NASA's Jet Propulsion Lab, answers questions during a news conference after the landing of the Stardust capsule A

发表于:2019-01-31 / 阅读(158) / 评论(0) 分类 2006年VOA标准英语(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(153) / 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(159) / 评论(0) 分类 快口说英语

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发表于:2019-02-27 / 阅读(153) / 评论(0) 分类 粉红猪小妹第二季

A: Hello sir, how can I help you? B: Yes, I need this prescription please. A: Lets see. Okay, so 50 mg of Prozac, would you prefer this in capsule or tablet? B: Capsules are fine. A: Okay, you should take 1 capsule 3 times a day. Be sure not to take

发表于:2019-03-06 / 阅读(178) / 评论(0) 分类 英语播客-EnglishPod
学英语单词
accumulation hypothesis of earth
aduantage
allo-isoimperatione
amorphous graphite
anchored instruction (ai)
antilyssous
arrived-at
band splitting
bedrown
Bogliasco
brake assistor
brake-shoe lining
broad continental shelf
C fibers
calabar
cap layer
capped fuse
card-oriented language
center selvedge
centertap reactor
chadli
chocking-up degree
clavicotomy
clingily
compressor aerodynamics
constitution-making
cooke
corsacs
cycloidal pin gear speed reducer
dealloying
dimethylnornarcotine
Don Quixotesque
elephant juice
embossed cloth
entemple
erithacuss
erosive wear
evat
explosive mixtures
floatation reagent
Graphina
H, h
Hallencourt
hauges
hemothorax due to war injury
high level description language
hyperbolic flow equation
index of social purchasing power
intercoagulation
Iret
kill the goose that lays the golden egg
knick off
law-break
LDA localizer
leaky pipe
macht
malignant fibrous histiocytoma of kidney
marchantiaceaes
Maymyo
mesoscaphe
mitotane
neurosystemitis
newfarmer
no-hands
nonabsorbable sutrue
nonnegative definite matrix
nonproceduraloriented language
open fireplace
photoassimilation
picknickers
pipe to a different tune
Pleasant Island
poison residue
powderers
preliminary evaluation
processcycle
proctalgia fugax
punching up
quott
Randomized strategy
recursing
red cent
Roseobacter
scanning sonar equipment
second hand stop
seeker antenna
sequencing by hybridization
sferice
SPCK
structural chemistry of inorganic compound
symptomatical
Synchronous data
transfa RNA
uncoolable
Uznatsk
valmorel
vernale
visus senilis
Vochysiaceae
voltage var scheduling
water intake per unit thickness
write recovery time