Polygonality
多边性
🗣️ 情景例句
And don't forget to invite Susan for dinner.
别忘了请Susan来吃晚餐。
What can I do?
我该怎么办哪？
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。