英语词汇vacuum preparation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	vacuum preparation
释义	vacuum n — 真空 n • 空白 n preparation n — 编制 n • 筹备 n preparation — 准备 • 预备 • 心算 prepare v — 编写 v • 预 v • 预备 v • 作好准备 v
随便看	operational management practices operational management procedures operational management services operational management system operational management team operational manager operational mandate operational manual operational market operational marketing operational matters operational maturity operational meaning operational means operational measures operational measures for operational mechanisms operational media operational merger operational message operational Meteorology operational methodology operational methods operational metrics operational mine

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

vacuum n —