| 单词 | vacuum |
| 释义 | vacuum n (pl 复数作 ~s or, in scientific use, 科技用语复数作 vacua ) 1 (a) space that is completely empty of all matter orgas(es) 真空. (b) space in a container from which the air has been completely or partly pumped out （容器的）真空状态 create a perfect vacuum 形成完全的真空状态. 2 (usu sing 通常作单数) (fig 比喻) situation or environment characterized by emptiness （情况或环境的）空洞状态 There has been a vacuum in his life since his wife died. 他妻子去世後他的生活很空虚. 3 (infml 口) = vacuum cleaner. 4 (idm 习语) in a `vacuum isolated from other people, facts, events, etc 与其他的人、 事等脱离或隔绝 live, work, etc in a vacuum 在与外界隔绝的环境中生活、 工作等. vacuum, v [I, Tn, Tn.p] ~ sth (out) (infml 口) clean (sth) with a vacuum cleaner 用真空吸尘器清扫（某物） vacuum the stairs, carpet 用吸尘器清扫楼梯、 地毯等 vacuum (out) the car 用吸尘器打扫汽车. |
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