Subfix
n. 下标符号(或字母),下角符号(或字母)[仿prefix]
🗣️ 情景例句
You don't know up from down.
你黑白不分。
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
You're so careless.
你真粗心。