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(172) / 评论(0) 分类 新视野大学英语读写教程(1)
学英语单词
acridotheres fuscus
acupuncture and moxibustion prescription
almesse
anterial radicular potential
augmentings
back-tensioned drawing
ballsbridges
bernhardts
bisic
blacche
Boccelie gallinarum
brand-new
class limits
color correction filter
combine drill
Cool as a cat
counselees
Creuse, Dép.de la
data-entry terminal
decadally
decay amplitude
deficit balance
di-active amyl succinate
disease-carrying
dynamic network control
Egleton
equivalent uncorrelated noise conductance
Evadne
evaluated information
fee-farms
fermentation insurance
fidley guard
firm-minded
Garopaba
go out and about
good karma
green vitrial (copperas)
grubbers
guide post die
had no control over
hectoampere
higher-rate tax
holbeins
Holweck valve
hyperbolic substitution
illuvial horizon
impact-lightflash sensor
inch size
intervention time
intragenerational mobility
Jakob
jauntings
Kostelec nad Labem
load - carrying capacity
membrane assymmetry
modularly
moisture repellent
mosaic sausage
Nieuwe-Tonge
non-potable water quality standard
numerical range of transformation
Odontocidium
once and for all
ordinaria
Peasemore
photon annihilation
phylloxeridaes
pill tile
pinealectomies
planar gliding
polymorphosis
popularisation means
power analysis
progenitor cell
pulsed magnetic field therapy
Quicama
radio-relay set
rapid determination kit for blood acidity
resign yourself to sth
revelment
rice kernel with red bran line
rocky shores
sachr
savings bank
sensigenous
Sihon
small animal
t.o.e.f.l
tag (oneself) on to
telelecture
teraphs
theremin
thorium-uranium alloy
thornabies
tioxymid
tokonomas
underwater seismogrpah station
utility power-boat trailer
Vapona
viking-age
Weidel's reaction
wolfram catalyst