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(153) / 评论(0) 分类 新视野大学英语读写教程(1)
学英语单词
-saur
all-moving tail
anterior superior segment
Apoi
be on the band wagon
Bertoni-Raymondi test
blackfooted albatross
Book of Concord
Bowenoid
Bronsted base
budell
bulldog ant
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chromboriding
Clay Belt
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dam shell
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Durward
dwarf tree
electric fluviograph
electrically controllable read-only storage
embalmed
empirical mass formula
energy gradient line
eugenol benzoate
ever-escalating
fixed length packet
Flin Flon
geageas
glycerol injection of gasserian ganglion
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holy ghosts
hybochelus leucogranulatus
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Insecta
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ishmaels
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Kisselbach
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Kyuyel'lyakhskiy Khrebet
Kōh(i)
lamellar faces
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leaflike
load-leveler shock absorber
LTD4
lyonias
mdesk
mimosa perfume
molestate
monoureid
nipponizes
number of buses
obligation of compensation for losses
oceanographic pattern
optical ammeter
Patagonian
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planned down time
plant-pathogenic fungi
platform software
polyonomous
poroscopy
preponderation
Rami caudati
ran dry
recording accelerometer
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regional conflict
regulatory frameworks
root of red rooted salvia
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shrp
Sinmido
spights
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sublineages
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telpher conveyor
unleventhe
unretentive
walkingsticks
wild-type
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