Pointer subtraction
[计] 指示字减法
🧩 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
It works!
有效！
Adversity is a good discipline.
苦难是磨练人的好机会。
Captain Fawcett's first passenger was a doctor who flew from Birmingham to a lonely village in the Welsh mountains.
弗西特机长的第一名乘客是位医生，他从伯明翰飞往威尔士山区一个偏僻的村庄。