Macroconcentration
常量浓度
🗣️ 情景例句
You're OK, Dad.
你真好，爸爸。
To be of use in the world is the only way to be happy.
为善最乐。
The farmer cut off part of his foot to make sure he could not run away again.
农场主把他的一只脚砍掉了一块，以确保他不能再逃跑。