to vacuum
01
用吸尘器清洁
to clean a surface by using a machine that sucks up dirt, dust, etc.
Dialect
Transitive: to vacuum a surface
例子
She vacuums the carpets in the living room every week to keep them clean.
她每周用吸尘器清理客厅的地毯以保持清洁。
He vacuums the upholstery on the furniture to remove pet hair.
他用吸尘器清理家具上的软垫以去除宠物毛发。
Vacuum
01
an electrical appliance that cleans surfaces by suction
例子
She bought a new vacuum for cleaning the carpet.
The vacuum picked up all the dust and crumbs.
02
an empty area or gap in a physical sense
例子
There was a vacuum in the room where furniture had been removed.
The engineer noted a vacuum in the pipeline that needed sealing.
03
真空, 虚空
a space that is utterly empty of all matter
例子
In physics, a vacuum is defined as a space devoid of any matter particles, including atoms and molecules.
在物理学中，真空被定义为没有任何物质粒子的空间，包括原子和分子。
The concept of a perfect vacuum, where no particles or energy exist, is theoretical and is used in thought experiments and theoretical physics.
完美真空的概念，即没有任何粒子或能量存在，是理论性的，用于思想实验和理论物理。
04
a gap, lack, or absence in a situation, system, or abstract context
例子
There was a vacuum in the schedule between meetings.
A vacuum of authority allowed confusion to spread.
