vacuum

　　真空 space that is completely empty of all matter or gas

　　〈口〉真空吸尘器 vacuum cleaner

　　空间; 空虚; 空白 situation or environment characterized by emptiness

　　同义词

　　n. emptiness，vacancy，vacuity，vacuum cleaner

　　v. hoover，vacuum-clean

　　参考例句

　　1. She vacuumed the room this morning.

　　她今天上午用吸尘器清扫了房间。

　　2. Products damaged by vacuum.

　　真空损坏的产品;

　　3. The vacuum sucked the dirt off the floor.

　　真空吸尘器吸起地板上的尘土。

　　N-COUNT If someone or something creates a vacuum, they leave a place or position that then needs to be filled by another person or thing. 空缺

　　例：His presence should fill the power vacuum that has been developing over the past few days.

　　他的出现应该能填补过去几天中形成的权力空缺。

　　PHRASE If something is done in a vacuum, it is not affected by any outside influences or information. 在与世隔绝的状态中

　　例：Moral values cannot be taught in a vacuum.

　　道德价值观不能在与世隔绝的状态中进行传授。

　　N-COUNT A vacuum is a space that contains no air or other gas. 真空

　　例：Wind is a current of air caused by a vacuum caused by hot air rising.

　　风是由热空气上升产生真空而引起的空气流动。

　　N-COUNT A vacuum is the same as a . 真空吸尘器

　　V-T/V-I If you vacuum something, you clean it using a vacuum cleaner. 用真空吸尘器清洁

　　例：I vacuumed the carpets today.

　　我今天用吸尘器清洁地毯了。

　　例：Its important to vacuum regularly.

　　定期用吸尘器清洁是很重要的。

　　常见用法

　　用作名词

　　The food is kept in the absolute vacuum.

　　这食物保存在绝对真空中。

　　I bought a vacuum yesterday.

　　昨天我买了个真空吸尘器。

　　His wifes 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

　　Thesere vacuum controls.

　　这是些真空控制装置。

　　用作动词

　　Please vacuum the carpets after the breakfast.

　　早饭后请用吸尘器清扫下地毯。

　　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。