真空管

vacuum line的用法和样例:

例句

  1. No vacuum or picture tubes were broken.真空管或显影管都未破碎。
  2. Not any air gets into the vacuum tube.没有空气能进入真空管。

883 、 疲劳 fatigue 884 、 真空成形;真空吸塑 vacuumforming 885 、 真空成形机 vacuumformer 886 、 真空吸塑成形法 vacuummoulding 887 、 真实形状 trueshape 888 、 矩波形

发表于:2018-11-29 / 阅读(148) / 评论(0) 分类 英文名句短语

A: Did you clean your room today? B: No, not yet. A: Well, when were you planning on doing that? B: I'm going to clean it up later. A: Didn't I ask you to clean it up earlier? B: I'm going to clean it. A: I want you to vacuum in your room, and don't

发表于:2018-11-30 / 阅读(112) / 评论(0) 分类 英语情景对话-日常生活

D: your daughter will be back soon. I'm going to start making dinner. You can just watch some TV in TV room if you like. We just bought a new TV with a LCD screen. The remote control is on the coffee table next to the armchair. L: would you mind if I

发表于:2018-11-30 / 阅读(105) / 评论(0) 分类 生活英语情景口语

useless 无用的,没有价值的 user 用户,使用者 usual 通常的,平常的 usually 通常 utility 效用,实用 utilise 实用 utilize 利用 utmost 极度的,极端的,极限 utter 完全的,彻底的说 vacant 空闲的,空缺的

发表于:2018-12-01 / 阅读(104) / 评论(0) 分类 大学英语四级词汇拼读版

A long time ago, robots belonged to science fiction. Children loved looking at movies with robots. Today, robots are real, and they are helping us. In the future, we will all have robots. They will vacuum the floor, wash the dishes, perhaps even driv

发表于:2018-12-04 / 阅读(78) / 评论(0) 分类 听一分钟英文-R

[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(215) / 评论(0) 分类 上海牛津初中英语七年级

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:2018-12-17 / 阅读(57) / 评论(0) 分类 ESL露西的一天

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

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(93) / 评论(0) 分类 世界节假日博览

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(66) / 评论(0) 分类 英语课程学习计划和讲义

听力题目: 19.(A). Peggys sister will be staying with her for a week. (B). Peggys sister will arrive in eight days. (C). Peggy is going to see her sister tomorrow. (D). Peggy and her sister are coming to town soon. 20.(A). Take it back to the st

发表于:2019-01-18 / 阅读(92) / 评论(0) 分类 托福听力单句训练

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

1. What does the boy want to do at the beginning of the conversation? A. go play outside B. watch TV C. play video games 2. What is one thing the boy is NOT assigned to do around the house? A. clean the garage B. vacuum the floors C. wash the walls 3

发表于:2019-01-23 / 阅读(113) / 评论(0) 分类 听英文对话做选择

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(128) / 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(136) / 评论(0) 分类 快口说英语
学英语单词
abs quickly
Actaeonidae
actuator logics
akrasia
al harmal
Allerey-sur-Saône
anterior cubital region
Aq. pur.
area units
armenites
bartholomae
basic set
blenderization
Boko-Songho
chalk bed
cibreo
claudy
configuration insteraction
core bedding frame
cost of hydropower engineering
cretinized
cruuing die
Danysz reaction
depth of lifeboat
discharge liquor
dropping-pill
Dutchboy bob
Elytrigia
embankment project
engine misfiring
entry name
equalizing pole
equivalent generator theorem
fetisely
flushing pore
free-loader
furfurals
gbadolites
genus Nipa
glomerophyric
ground-controlled approach minimums
handiwomen
hankered for
hematic crisis
hierarchical artificial neural network
humid soil
hundred-miles
hygral shock
ice-cream social
ichthyopathology
ilet-hole
impregnating bath
inella iniqua
inlet flow angle
ipomoea resin
iron vane type voltmeter
killjoyism
kwangchon-dong (gwangchondong )
lop-heavy
Magellan, Ferdinand
magnitude
masticatory mucosa
mesostyle
microwave drying oven
monteoliveto
NewTaipei
oblique object
offsets of rudder sections
optronicss
overdrive suppression
Pexonne
philly
pro forma balance sheet
rabbit oqal papillomatosis
rachitis
regio ethmoidea
ruh-roh
satrapies
Saxmundham
scan stroke
sea water through-flow system
seaplane trim
Sel'd
sensitizing solution
sequencing criterion
Shoptykol'
short-duration
six of one and half a dozen of the other
smooth as silk
source voltage
special effect amplifier
spongeous
strawberry-red
strontium dichromoate
synsacrum
trading on the equity
Tricel
tricot stocking
uforbium
Ullmal alloy
ulua
union bugs