vacuums
If someone or something creates a vacuum, they leave a place or position that then needs to be filled by another person or thing.
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。
in a vacuum
If something is done in a vacuum, it is not affected by any outside influences or information.
Moral values cannot be taught in a vacuum.
道德价值观的教育不能脱离实际。
vacuums , vacuuming , vacuumed
If you vacuum something, you clean it using a vacuum cleaner.
I vacuumed the carpets today.
我今天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。