vacuum

听听怎么读
英 [ˈvækjuəm]
美 [ˈvækjuəm]
是什么意思
  • n.

    真空;空白;空虚;清洁

  • v.

    用真空吸尘器清扫;

  • 变形

    复数:vacua过去式:vacuumed过去分词:vaccumed现在分词:vacuuming第三人称单数:vacuums

    双语释义

    n.(名词)
    1. [C] 真空 space that is completely empty of all matter or gas
    2. [C] 〈口〉真空吸尘器 vacuum cleaner
    3. [S] 空间; 空虚; 空白 situation or environment characterized by emptiness

    英英释义

    vacuum[ 'vækjuəm ]

    • n.
      • the absence of matter

        同义词:vacuity

      • an empty area or space

        "without their support he'll be ruling in a vacuum"

        同义词:voidvacancyemptiness

      • a region that is devoid of matter

        同义词:vacuity

      • an electrical home appliance that cleans by suction

        同义词:vacuum cleaner

    • v.clean with a vacuum cleaner

      "vacuum the carpets"

      同义词:vacuum-cleanhoover

    学习怎么用

    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

    词组短语

    vacuum pump[机]真空泵

    in a vacuum似在真空中

    high vacuum高度真空,高真空

    vacuum distillation真空蒸馏

    vacuum cleaner吸尘器;真空吸尘器;真空清洁器

    vacuum system真空系统

    vacuum degree真空度

    vacuum drying真空干燥

    vacuum packaging真空包装

    vacuum furnace真空炉;退火炉

    vacuum filter真空滤器

    vacuum tube真空管;电子管

    vacuum packing真空包装

    vacuum circuit breaker真空断路器

    vacuum equipment真空设备

    vacuum chamber真空室;压力室

    vacuum evaporation真空蒸发;真空蒸镀;真空涂膜

    vacuum heat treatment真空热处理;化学热处理

    vacuum interrupter真空断续器;真空隔离开关

    vacuum forming真空成型

    更多收起词组短语

    双语例句

    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。

    权威例句

    Vacuum configurations for superstrings
    On Gauge Invariance and Vacuum Polarization
    [Vacuum sealing as treatment of soft tissue damage in open fractures]
    Vacuum-deposited, nonpolymeric flexible organic light-emitting devices.
    Wiring-free, plumbing-free, cooled, vacuum chuck
    Cosmological constant—the weight of the vacuum
    Vacuum-assisted closure: a new method for wound control and treatment: clinical experience.
    Studies of multiphoton production of vacuum-ultraviolet radiation in the rare gases
    A randomised prospective study comparing the new vacuum extractor policy with forceps delivery
    Oxidative Desulfurization of Light Gas Oil and Vacuum Gas Oil by Oxidation and Solvent Extraction
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