Piperamide
胡椒酰胺
🗣️ 情景例句
I have approximately three-year experience using a computer.
我有大约三年操作电脑的经验。
There used to be a grocery store on the corner.
过去在角落上有一个杂货店。
Our school covers 100 square meters.
我们学校占地面积平方米。