英语词汇optional obligation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	optional obligation
释义	optional obligation internationalizationn. 国际化；国际共管 nationalizationn. 收归国有；国有化
随便看	coretomedialysis coretomy core tool coretraction Core training core transformer core transistor circuit core transistor logic core transistor register core transplantation of silkworm core tray core tree core truck Coretta core tube core tube nest core tuning core turning lathe core type core type induction furnace core type induction heater core type inductor core type magnetic circuit core type radiator core type reactor

英汉双解词典包含3607232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。