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单词库 \ 英汉词典 \

vacuum是什么意思

vacuum

英[?v?kju?m] 美[?v?kju?m]

n. 真空，空白，空虚，清洁；
v. 用真空吸尘器清扫；

复数：vacua;

第三人称单数：vacuums;

过去式：vacuumed;

过去分词：vaccumed;

现在分词：vacuuming;

相关单词 antivacuum forevacuum forvacuum vacuum cleaner vacuumed vacuuming vacuums vacuum cleaners vacuum tube vacuum valve vacuum sweeper

同义词

vt.
vacuum的同义词之：清扫
clean sweep
n.
vacuum的同义词之：真空
void
vacuum的同义词之：其他释义
bubble void clean sweep absence nothing

词组

in a vacuum
(of an activity or a problem to be considered) isolated from the context normal to it and in which it can best be understood or assessed （需考虑的活动，问题）似在真空中；脱离现实

柯林斯高阶英汉双解学习词典释义

N-COUNT

空位;空缺;空白

If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
例句
The collapse of the army left a vacuum in the area... 这支军队的溃败使这个地区出现了军事真空。 His presence should fill the power vacuum which has been developing over the past few days. 他的出现将填补过去这几天形成的权力真空。
PHRASE

在封闭状态中;与外界隔绝

If something is done in a vacuum, it is not affected by any outside influences or information.
例句
Moral values cannot be taught in a vacuum... 道德价值观的教育不能脱离实际。 We lived in a vacuum — no life, no news, no books. 我们生活在与世隔绝的环境里——没有其他生物，收不到外界消息，也没有书看。
VERB

用真空吸尘器打扫

If you vacuum something, you clean it using a vacuum cleaner.
例句
I vacuumed the carpets today... 今天我用吸尘器清洁了地毯。 It's important to vacuum regularly. 定期用吸尘器吸尘很重要。
N-COUNT

真空

A vacuum is a space that contains no air or other gas.
例句
Wind is a current of air caused by a vacuum caused by hot air rising... 风是由于热空气上升产生真空导致的一种气流运动。 The spinning turbine creates a vacuum. 旋转的涡轮形成了一块真空区域。

英汉词典释义

n.
真空
Sound waves cannot travel through a vacuum. 声波不能在真空中传播。
〈口〉真空吸尘器
I mean to buy a vacuum next month. 下个月我打算买一台真空吸尘器。
空间; 空虚; 空白
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。 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。
vt.
用真空吸尘器清扫(某物)
I vaccum the carpet twice every week. 我每周用吸尘器打扫地毯两次。

英英词典释义

Noun
1. the absence of matter
2. an empty area or space;
"the huge desert voids""the emptiness of outer space""without their support he'll be ruling in a vacuum"
3. a region empty of matter
4. an electrical home appliance that cleans by suction
Verb
1. clean with a vacuum cleaner;
"vacuum the carpets"

行业词典

医学：真空；
哲学：真空；
机械：真空；在指定空间内，低于一个大气压力的气体状态。；
水产：真空排气；exhaust 用减压抽气方法排气。；
物理学：真空；
电力：真空；
电子学：真空；
航天：真空；

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