Question

vacuum n.真空；真空吸尘器；空白adj.产生（利用）真空的v.用吸尘器打扫 (1) 这食物保存在绝对真空中。(2) 昨天我买了个真空吸尘器。(3) 他妻子的去世使他的生活变得空虚。(4) 这是些真空控制装置。(5) 早饭后请用吸尘器清扫下地毯。 You probably have a vacuum at home. A humble household appliance named after a principle of physics, the vacuum is a device for sucking up dirt off the ground. It works by creating a vacuum — that is, it sucks all the air out of a particular place so that the surrounding atmospheric pressure will flood in, taking with it all the nacho chips, dog hair, toast crumbs, and whatever else you have lying around your house.

Accepted Answer

英 ['vækjuəm] 美 ['vækjuəm] (1) The food is kept in the absolute vacuum.(2) I bought a vacuum yesterday.(3) His wife's death left him a vacuum in his life.(4) These're vacuum controls.(5) Please vacuum the carpets after the breakfast. A vacuum is essentially a great lack of something — a place where virtually all matter, even air, has been removed. It can describe something that's literally empty — or something that just seems that way, like a political vacuum. 1[N-COUNT 可数名词]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.   [usu sing]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。2[PHRASE 短语]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.   [PHR after v]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。3[VERB 动词]用真空吸尘器打扫 If you vacuum something, you clean it using a vacuum cleaner.   [V n]  [V]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。4[N-COUNT 可数名词]真空 A vacuum is a space that contains no air or other gas.   [usu sing]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。

英语单词	vacuum
英美音标	英 ['vækjuəm] 美 ['vækjuəm]
中文释义	n.真空；真空吸尘器；空白 adj.产生（利用）真空的 v.用吸尘器打扫
英语例句	(1) The food is kept in the absolute vacuum. (2) I bought a vacuum yesterday. (3) His wife's death left him a vacuum in his life. (4) These're vacuum controls. (5) Please vacuum the carpets after the breakfast.
中文例句	(1) 这食物保存在绝对真空中。 (2) 昨天我买了个真空吸尘器。 (3) 他妻子的去世使他的生活变得空虚。 (4) 这是些真空控制装置。 (5) 早饭后请用吸尘器清扫下地毯。
vocabulary简明	A vacuum is essentially a great lack of something — a place where virtually all matter, even air, has been removed. It can describe something that's literally empty — or something that just seems that way, like a political vacuum.
vocabulary扩展	You probably have a vacuum at home. A humble household appliance named after a principle of physics, the vacuum is a device for sucking up dirt off the ground. It works by creating a vacuum — that is, it sucks all the air out of a particular place so that the surrounding atmospheric pressure will flood in, taking with it all the nacho chips, dog hair, toast crumbs, and whatever else you have lying around your house.
柯林斯解释	1 [N-COUNT 可数名词]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. [usu sing] 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。 2 [PHRASE 短语]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. [PHR after v] 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。 3 [VERB 动词]用真空吸尘器打扫 If you vacuum something, you clean it using a vacuum cleaner. [V n] [V] 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。 4 [N-COUNT 可数名词]真空 A vacuum is a space that contains no air or other gas. [usu sing] 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。

Vacuum Air Place I Left Carpets N Count 可数名词