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(309) / 评论(0) 分类 新视野大学英语读写教程(1)
学英语单词
5-dehydroquinate
a Barney
a heavy bloom
a pound to a penny
acetoxan
alcanna
angle of glide chute
anticocaine
aramid fiber rein forced plastic
arcadies
assectation
Autoimpregnation
banana bond orbital
basal piece
bentyl
benzonase
blocking hoe
cannabis indicas
capillary melting point
catholic-school
Chinese pink herb
chiropteran
chrome mordant process
coming-out
commisions
conquinamine
controlling factor
cut plain
cylindrical laser cavity
delivery of goods by instalment
derived factor demand
differential-input capacitance
diode varister
dock entrance
dominant gene
driving chart swaying
Durbin-Watson statistic
encounter-group
espiguillas
exequation
explanative
extensible trap door
freight train shipment
gelotoscopy
genoa jib
giantdom
gkoes
glass-walled
glutaric anhydride
harmonizable
heat of recovery
heavy deadweight cargo
hivelike
immoble
injection blocking
Isospora
ladle casing
Mannargudi
methyl ethylcellulose
monocausal
niggets
Odelouca
on-request system
outgoing link
over-height
pentane
physeptone
pom-c
preplastification
president hoovers
protocol port
Puccinellia przewalskii
ram access time
rambaler
resolution of majority
rewilds
rift valley fevers
righteously
roll of honor
salbe
Schela
segmentum apicale
settlement accounts
Sint-Pieters-Leeuw
sorting station
surveillance radar station
tall growth
temporale canal
Thalictrum elegans
thrust plate
to draw into
Tongch'ǒn
unloading position
unwitten
Vagoprol
vanishingtide
vector-axial-vector theory
vegetative period
volume median diameter
waybills
wet mud brick
whisperer