vacuum
Definition
A space entirely devoid of matter; a device that cleans by suction.
한국어 물질이 전혀 없는 공간; 진공을 사용하는 청소 장치
Example
"Scientists created a near-perfect vacuum in the laboratory."
A space entirely devoid of matter; a device that cleans by suction.
한국어 물질이 전혀 없는 공간; 진공을 사용하는 청소 장치
"Scientists created a near-perfect vacuum in the laboratory."