vacuum

词汇分析：vacuum

基本释义

• vacuum (名词)：真空，空洞

• vacuum (动词)：用真空清洁，抽走空气

词语辨析

在英语中，“vacuum”作为名词时通常指没有物质或空气的空间，或某种缺乏状态；作为动词时则表示使用真空设备进行清洁或抽走空气。在形容词形式方面，虽然没有直接的“vacuum”形容词，但常常会用“vacuum-sealed”来描述密封的状态。

词汇扩充

• vacuum cleaner (吸尘器)

• vacuum pack (真空包装)

• vacuum chamber (真空室)

近义词

• void (空虚)

• emptiness (空洞)

• space (空间)

反义词

• fullness (充满)

• presence (存在)

词典引用

根据柯林斯词典，“vacuum”指的是一种没有气体、物质或液体的状态。牛津词典则指出，作为动词时，它表示用真空的方式清洁或去除物质。

用法示例

• He used a vacuum to clean the carpets.

  他用吸尘器清理地毯。

• The vacuum in space is much greater than any on Earth.

  太空中的真空比地球上的任何地方都要大得多。

• She felt a vacuum in her life after he left.

  他离开后，她感到生活中有一种空虚。

• The scientist created a vacuum chamber for the experiment.

  科学家为实验制造了一个真空室。

• Make sure to vacuum the floor before guests arrive.

  在客人到达之前，确保吸尘地板。

• There was a vacuum in the middle of the room.

  房间中央有一个空洞。

• She bought a vacuum cleaner that is very powerful.

  她买了一台吸尘器，功能非常强大。

• The vacuum created by the pump is essential for this process.

  泵产生的真空对这个过程是必不可少的。

• The absence of sound created a vacuum that was eerie.

  声音的缺失造成了一种令人毛骨悚然的空虚。

• The food was vacuum-sealed to preserve freshness.

  食物被真空包装以保持新鲜。

• He tried to fill the emotional vacuum with work.

  他试图用工作来填补内心的空虚。

• The machine operates best in a vacuum.

  这台机器在真空中运行效果最好。

• The vacuum created by the explosion was felt for miles.

  爆炸产生的真空在几英里外都能感受到。

• She found herself in a vacuum of isolation.

  她发现自己处于一种孤立的空虚状态。

• He is studying the effects of vacuum on plant growth.

  他正在研究真空对植物生长的影响。

• After the meeting, there was a vacuum of ideas.

  会议结束后，出现了一个思想的空白。

• They need to create a vacuum for the experiment to be valid.

  为了使实验有效，他们需要创造一个真空。

• The vacuum in her heart could not be filled.

  她心中的空虚无法填满。

• Understanding the concept of vacuum is crucial in physics.

  理解真空的概念在物理学中至关重要。