基本解释adj.未定义的;不明确的同根派生 undefined相关词英汉例句用作形容词 (adj.)The result of the call is undefined.调用的结果是未定义的。A sort of undefined longing crept upon them.有一种说不出名目的渴望使他们心里发痒。undefined更多例句英英字典剑桥英英字典 not clearly described, stated, or knownundefined剑桥字典undefined柯林斯字典