相關(guān)單詞同義詞compulsory, deontic, 近義詞 necessary 必要的, forcible 強制的, forced 被迫的, compulsory 強制的, required 必需的, requisite 必要的, essential 本質(zhì)的, de rigueur 社交禮節(jié)上需要的..., statutory 法定的, mandatory 法定的, binding 鑲邊the law, 五經(jīng), 摩西五經(jīng), 摩西法律...反義詞optional, 任選的臨近詞oblige, obligation, obligatory on, obligatory type, obligatory well, obligatory rule, obligatory bond, obligatory term, obligatory gene, obligatory case, obligatory norms, obligatory audit相似詞objector, objet d'art, oblation, obligation, oblige, oblige sb with sth, obliged, obligee, 返回 obligatory