Prefixing
[计] 加前缀, 加词头
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
Which one is the longest river in China?
中国哪条河流最长？
Right. I'm British, but I'm not English.
对，我是不列颠人，但不是英国人。