vacuum
/ˈvækjum/
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n./v. 真空；吸塵器；用吸塵器清掃
- Coffee beans stay fresh longer when they are sealed in vacuum bags. 咖啡豆用真空袋密封，能保存得比較久。
其他意思
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n. 真空, 吸塵器
If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
- The collapse of the army left a vacuum in the area
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v. 用吸塵器清掃
If you vacuum something, you clean it using a vacuum cleaner.
- I vacuumed the carpets today
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字根
vac, van, void 空的
vac + u + um空的 + — + 名詞