vacuum

US /ˈvæk.juːm/
UK /ˈvæk.juːm/
"vacuum" picture
1.

真空

a space entirely devoid of matter

:
Scientists created a near-perfect vacuum in the lab.
科学家在实验室中创造了一个近乎完美的真空
Sound cannot travel through a vacuum.
声音不能在真空中传播。
2.

吸尘器

an electrical appliance that cleans floors and other surfaces by sucking up dust and dirt

:
I need to buy a new vacuum for the house.
我需要为家里买一台新吸尘器
The robot vacuum cleans the floor automatically.
机器人吸尘器自动清洁地板。
1.

吸尘

to clean with a vacuum cleaner

:
I need to vacuum the carpets before the guests arrive.
客人们来之前我需要地毯。
She spent the morning vacuuming the entire house.
她花了一上午时间了整个房子。