Eppa
abbr. 4-ethoxy-2-hydroxyphenyl propionic acid 4-乙氧基-2-羟苯基丙酸（科技符号）
🗣️ 情景例句
Does he have a middle name?
他有中间名字吗？
It doesn't make much difference to me what you do.
你干什么对我没有多大关系。
No!
不对。