Undefine
vt. 未定义；未赋值；命令取消
🗣️ 情景例句
This dictionary is more useful than I expected.
这字典比我所预期的更有用。
I'd like to change this ticket to the first class.
我想把这张票换成头等车。
Mr.Sawyer usually reads his newspaper, but sometimes he and his wife watch television.
索耶先生总是读报纸，但有时和他的妻子一起看电视。