back-up device

英 [back-up device]
美 [back-up device]

中文释义

备用装置

单词分析

单词结构：

back-up device

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：back-up device
  • 核心含义：备用装置

最近查询：

Arbon arithmetic-geometric series chips off the old block close-packed Disneyfication edonentan endochondral engift faradic irritability fire proof test initiable Mazdakites message trailer peligotite Rabdosia phyllopoda retrogredient territorialistic toilet roll cutter and perforator took for vibrating galvanometer

更新时间：2026-01-24 05:43:54