What does vacuum mean?

A space without air, or a gap left by something missing. An electric machine that sucks up dust and dirt. To clean something using a vacuum cleaner.

How is vacuum pronounced?

UK /ˈvækjuːm/, US /ˈvækjuːm/.

/ˈvækjuːm/

CEFR level B2Topic ScienceWord #4746 in the learning path

真空；空缺

n. A space without air, or a gap left by something missing.

真空；空缺

n. An electric machine that sucks up dust and dirt.

真空吸尘器

v. To clean something using a vacuum cleaner.

用吸尘器清扫

I vacuum the carpet while my brother dusts the shelves.

我用吸尘器清扫地毯，弟弟则擦去架子上的灰尘。

Sound cannot travel through a vacuum because it needs a medium such as air or water.

声音无法在真空中传播，因为它需要空气或水等介质。

表示清扫时可直接作动词：vacuum the floor。

What does vacuum mean?: A space without air, or a gap left by something missing. An electric machine that sucks up dust and dirt. To clean something using a vacuum cleaner.
How is vacuum pronounced?: UK /ˈvækjuːm/, US /ˈvækjuːm/. Use the audio buttons above to listen.