英语词汇on a spontaneous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	on a spontaneous
释义	spontaneous — 主动 on prep — 关于 prep
随便看	blocked wheels blocked with block efforts block engine block enzymes blocker ring block error block execution block exemption block exemption regulation block exemption Regulation 566 2011 block figure block file block filling block flange block for energy block formation block gasket block gauge block generated Block grant Block grant block group block hashes blockhead

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。

spontaneous —