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(150) / 评论(0) 分类 新视野大学英语读写教程(1)
学英语单词
2-pyrrolidone
Achnatherum duthiei
Ameritrash
antiferromagnetic spin wave
application of fertilizer through irrigation
arrates
base line hologram
belieflike
bill receivable account
black walnut tree
chmn.,chn.
congenital heart
coquitlam
Dahwilly
dictate of right reason
diethyl tartrate
digital subtraction angiography
divisional bond
double depression
drilling implement
equidistance line
Erjian (L12)
erucina
facing sand
fair balance
farrania (drepanopsis) orbus
forced caving
four-momentums
geopositive
glass colour filter
ground emitter equivalent circuit
hall of famers
helminthosporium fimbristylidis
high frequency experiment
high-turnover
hute
in public
independent haulage
index percent
inertia mass bearing
inishmore
ireport
istigobius hoshinonis
Liat, Pulau
Linea nuchalis superior
magneto-electric flowmeter
main plate
metallurgy non-ferrous
meteorological information
mixed coefficient
momeik(m?ng mit)
non assignment
noncurious
nonsuggestible
on the hot seat
oneirogmophobia
OPEC countries
optic picture
organized religion
passenger glow diagram for each direction
pawns
pencil ore
periodical crisis
Placidex
plain old telephone service,POTS
pole-shoe contact
policy writer
portability of executable work-load model
promeriting
pump drive motor
re-activated
recumbent anticline
relocatable address
retention capability
Rotliegende
saffo
salt dune
screw mechanism
sinerol
small ermine moth
snuggle
sphenoid fontanels
steady-state mRNA
stripper heels
stupose
subgrid scale process
svedberg unit
synthetic oil
system description
take command of
the internet teaching materials for lifelong learning
transparent conductive film
travel cable
tricosactide
trio filling stitch
ulcerative cellulitis
Urupskiy Rayon
use of blanks
uveoparotitis
wet smelting
wild oat grasses
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