Null pointer
其它 Other[计] 零指示字, 零指针
🧩 词语组成解析
pointer
['pɔintə]
n. 建议;线索;教鞭;（测量仪器上的）指针;
🗣️ 情景例句
Have you ever been to Niagra Falls?
你去过尼亚拉加瀑布吗？
Many one says well that thinks ill.
口蜜腹剑者不乏其人。
He is ill in bed.
他卧病在床。