Vacuum
“Vacuum”是个名词，表示真空或空间中完全没有任何物质的状态。同时，它也可以表示清洁器，即我们常说的吸尘器。
- The experiment must be conducted in a vacuum to avoid any interference. (这个实验必须在真空中进行以避免任何干扰。)
- I need to vacuum the living room. (我需要清扫客厅。)
- The vacuum of space is both fascinating and terrifying. (空间的真空既引人入胜又令人恐惧。)
“Vacuum”源自拉丁语 “Vacuus”，意为”空的”。
这个单词没有词缀。
词汇”vacuum”最早在 17 世纪出现，在物理学和化学领域用于描述没有物质存在的空间。
- 复数形式：vacuums
- 动词形式：vacuuming, vacuumed
- 形容词：vacuous
你可以联想到”vacant”（空着的，空的）来帮助记忆”vacuum”，两者都和”空”有关。
After the lavish party, the mansion was in complete disorder. The diligent butler brought the vacuum and started the cleaning. Within hours, the mansion was all clean and organized again, as if the party had never happened. (豪华聚会过后，大厦一片狼藉。勤勉的管家拿出吸尘器开始清扫。几个小时内，大厦又恢复了整洁有序，就像聚会从未发生过一样。)