n. 真空, 真空状态, 真空度, 空洞, 真空装置, 真空吸尘器, 空虚
n the absence of matter
n an empty area or space
n a region that is devoid of matter
n an electrical home appliance that cleans by suction
v clean with a vacuum cleaner

vacuum的用法和样例:

例句

用作名词(n.)
  1. The food is kept in the absolute vacuum.这食物保存在绝对真空中。
  2. I bought a vacuum yesterday.昨天我买了个真空吸尘器。
  3. His wife's death left him a vacuum in his life.他妻子的去世使他的生活变得空虚。
用作形容词(adj.)
  1. These're vacuum controls.这是些真空控制装置。
用作动词(v.)
  1. Please vacuum the carpets after the breakfast.早饭后请用吸尘器清扫下地毯。
  2. I moved the chairs back so that I could start vacuuming.我将一把把椅子移开,以便开始吸尘打扫。

常见句型

用作名词(n.)
  1. Sound waves cannot travel through a vacuum.声波不能在真空中传播。
  2. I mean to buy a vacuum next month.下个月我打算买一台真空吸尘器。
  3. His resignation has left a power vacuum at the head of the party.他的辞职使得该党的领导位置出现了权力真空。
  4. His wife's death left a vacuum in his life.他妻子的去世使他的生活变得空虚。

词汇搭配

用作名词 (n.)
动词+~
  • fill a vacuum填补真空
  • produce〔create, cause〕 a vacuum产生〔制造〕真空
形容词+~
  • low〔rough〕 vacuum低真空
  • fine〔high, perfect〕 vacuum高真空
【近义词】

Section C Great Ideas Some of the most important inventions of the past 2,000 years may surprise you. Want to get rich? Become famous? You don't have to be a film star or a basketball player or a musi

发表于:2018-12-29 / 阅读(120) / 评论(0) 分类 新视野大学英语读写教程(1)
学英语单词
animadverting
anti-friction grease
applicator boot
auger board
autologous small intestine transplantation
automatic carrier landing system
basaloid
bawbee
Bell and Howell
black-footed ferrets
bulk material
Bupleurum sinenses DC.
buxpiine
cambium layer
carbohydrate fever
cargo wire net
centropyge vrolikii
chuckeys
clintonite group
coloured paper
conditional forecast
cornies
Court of Justice of the European Communities
crop of depleting soil fertility
cuenot
cumbecephalic
cupules
dignity of courtroom
dimmer camera
disappearing stream
dorsal digital arterys of foot
driving-lane
eastern wolf
entodorsum
extradotal
flat-footedness
grislily
gulfs of aegina
handle machine
herb mercuries
hot-runner mold
hybridities
hydroxy ether
hyphenations
implicit variable
indeterminate bond
interchondral fluid
Kournas
Li-sanist
liposculpture
logical full-duplex flow
lower limit of explosion
mandrel test
Melnikovite-Pyrite
metal material mechanics
Micheroux
microzoology
misleadest
multivariable optimization
Mulwi
myelokentric acid
myocarditic
nonlinear dynamic analysis
north-westing
organic structural chemistry
output resonator
overhead irrigating machine
Par. aff.
part winding starter
phytomia (phytomia) errans
pork luncheon meat
Pyrus phaeocarpa
rashies
record-books
reinflations
rosazza
Saulcy
schleske
seismaesthesia
specific ion electrode
spokewheel
street-child
structure pair
subdura hematoma
substantive dyeing
superdepressing
sustentated
three-sheet
tosspiece
twice-yearly
UIgG
Umuarama
uncinarias
Unknown device
unswathes
upcoded
use it or lose it
VF mask
wollow
work-family