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
They dismissed him on the spot.
他们立即开除了他。
He keeps on studying ecology.
他不断攻读生态学。
'The fire broke out in the basement.I went down immediately,of course,
“地下室突然着火，我当然马上下去了。