英语词汇during maintenance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	during maintenance
释义	during prep — 当 prep • 在 ... 的期间 prep • 在 ... 的时候 prep during — 中 • 之际 maintenance n — 保持 n • 维持 n • 赡养费 n • 定期维修 n during conj — 期间 conj
随便看	bioenergy plant bioenergy power bioenergy production bioenergy projects bio-energy technologies. bio-energy technology bioengineered bioengineering bioenvironmental engineer bioenvironmental engineering bioequivalence study bioethanol production bioethanol through bioethical issues bioethics biofeedback training bio-fillers biofilm biofilm bacteria biofilm´S biofilm´S biofilm´S bio food biofuel biofuel applications

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。

during prep —