Nil pointer
[計] 零指針, 零指示器, 零地址計數器
?? 詞語組成解析
nil
[n?l]
n. 無，零;零分;
pointer
['p?int?]
n. 建議;線索;教鞭;（測量儀器上的）指針;
??? 情景例句
Three things?
三件事？
She passed her competitive examination not without difficulty.
她好不容易才通過了答辯考試。
What were you thinking?
你腦子進水??？