undefined是什么意思？

undefined

例句

• The import parser transitioned to an undefined state. 导入分析器转换到了未定义的状态.
• He turned an expression of undefined appeal toward Scobie. 他转向斯考比,脸上呈现出一种迷惘的祈求神色.
• The money was lent for an undefined period of time. 这笔钱无限期借出。
• Our pilgrim remained stupefied with undefined apprehensions. 我们的旅客给莫名的恐惧吓呆了.
• As we shall not deal with algorithmic problems, we leave the term " efficient " undefined. 因为不讨论算法问题, 我们对 “ 有效 ” 这一术语不作具体解释.