降低真空的vacuum: n. (pl. vacuums, vac-ua ) 1. ...reduce: vt. 1.减少，减轻，节减；缩短，缩小；降低，贬低；使 ...reduced to vacuum: 折合到真空be reduced by: 降低了……be reduced to: 使陷入，沦为下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:vacuum-reduced，即可在微信中查询翻译
