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。
:
emptinessvoidspace
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。
:
hoovervacuum cleaner
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吸地毯。
•
She spent the morning vacuuming the entire house.
她花了一上午时间吸了整个房子。
:
hooverclean
:
vacuum cleanervacuum-packed