复数：vacuums 复数：vac-ua 现在分词：vacuuming 过去式：vacuumed
1.真空;空处,空虚,空白
2.〈美口〉吸尘器
1.用吸尘器扫除
2.用真空干燥机干燥
1.真空的
2.用以产生真空的
3.利用真空的
1.a space that has had all the air and any other gases removed from it
2.a feeling that something is missing, or a situation in which something is missing
3.a vacuum cleaner
1.to clean a room using a vacuum cleaner
vac-uavac-uavac-ua