英语词汇optional additional的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	optional additional
释义	optional additional 翻译可选附加
随便看	unified soil classification system unified standard unified standards unified state control over income and expenditure unified stock unified storage unified structure element unified studies curriculum unified system unified system development unified system of measurements unified tax unified taxation code unified tax credit unified tax system unified theory unified theory of field unified thread Unified Threat Management unified toll system unified transfer unified transfer tax credit unified type system unified viscoplastic theory unified wage scale

英汉双解词典包含4367426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。