Pch
预编译头文件; 由编译器在建立工程时自动生成; 其中存放有工程中已经编译的部分代码; 在以后建立工程时不再重新编译这些代码
🗣️ 情景例句
I would like a haircut, please.
麻烦你，我想理发。
I'm writing to an old friend.
给一个老朋友。
She didn't visit her step-mother much, though I believe that they used to speak on the phone from time to time.
她不常看望她的继母，虽然，我相信她们过去时不进在电话里聊一聊。