a space entirely devoid of matter 空,真空状态 ■a space or container from which the air has been completely or partly removed 真空 ■[usu. in sing.]a gap left by the loss, death, or departure of someone or something formerly playing a significant part in a situation or activity 空白,真空 the political vacuum left by the death of the Emperor. 皇帝死后留下的政治真空。
(pl. vacuums)(informal)a vacuum cleaner (非正式)真空吸尘器
verb
[with obj.](informal)clean with a vacuum cleaner (非正式)使用真空吸尘器清扫 the room needs to be vacuumed. 这房间要用吸尘器打扫了。
常用词组 in a vacuum
(of an activity or a problem to be considered) isolated from the context normal to it and in which it can best be understood or assessed (需考虑的活动,问题)似在真空中;脱离现实
语源
mid 16th cent.: modern Latin, neuter of Latin vacuus 'empty'