Polygonometry
n. [数]多边形几何学
🗣️ 情景例句
Thank you for inviting me.
谢谢你的感情邀请。
There is nothing either good or bad, but thinking makes it so.
事情本无好与坏，全在自己怎么想。
Have you cleared your luggage with customs?
你的行李通关了吗？