英语词汇is not obligatory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	is not obligatory
释义	is not— 不是 • 未有 not so— 不然 obligatory n — 强制 n not — 不 • 非 • 不是 • 未 • 否 • 无 • 并不 adv • 没 • 也不 adj
随便看	non monopolistic non-mortgage non mortgage loan non-motile non-motor non-motorised non-motorised modes of transport non-motorised transport non-motorized non motorized sports non motorized transport non motorized water sports non-moulded non-mounted non-movable non moveable non-Movement non mover non-moving non moving parts non mulesed non mulesing non-multimedia non-multiplexed non-municipal

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。

is not—