基本解释adj.未定義的;不明確的同根派生 undefined相关词英汉例句用作形容詞 (adj.)The result of the call is undefined.調用的結果是未定義的。A sort of undefined longing crept upon them.有一種說不出名目的渴望使他們心裡發癢。undefined更多例句英英字典劍橋英英字典 not clearly described, stated, or knownundefined剑桥字典undefined柯林斯字典