英语词汇retention of qualification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	retention of qualification
释义	retention of qualification 简明释义合格资格保留网络释义 1 ?合格资格保留将污油留在船上船上保留油量额 retention of oil on board 合格资格保留 retention of qualification 将残余物留在船上 retention of residue on board ..
随便看	station bill station blackout station blackout accident station blackout accident station board station boiler station boundary station boundary mark station box station break station breakdown station break station buffer unit station building station building station-buildings stationbuoy station buoy station cable station-calendar station calendar station call station call station call letters station canopy

英汉双解词典包含3185865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。