1 vacuum /ˈvæˌkjuːm/ noun plural vacuums
plural vacuums
Learner's definition of VACUUM
[count]
1
: an empty space in which there is no air or other gas真空 : a space from which all or most of the air has been removed（气体被排出后形成的）真空 3
: a situation created when an important person or thing has gone and has not been replaced空虚；空白 —
usually singular通常用单数
in a vacuum
: separated from outside events or influences与外界隔绝；不受外界影响 -
The group was operating in a vacuum, cut off from the rest of the world.这个团队在完全封闭的状态下工作，断绝了与外界的联系。
-
The city's riots did not happen in a vacuum. [=they were affected or caused by other events or influences]城市的骚乱不是无缘无故发生的。
2 vacuum /ˈvæˌkjuːm/ verb
vacuums; vacuumed; vacuuming
2 vacuum
/ˈvæˌkjuːm/
verb
vacuums; vacuumed; vacuuming
Learner's definition of VACUUM
: to clean (something) with a vacuum cleaner用真空吸尘器清扫 [+ object]
—
often + up [no object]