Heptagon
n. 七角形, 七边形
📖 牛津释义
heptagon
n
geometric figure with seven sides and angles 七边形; 七角形.
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
To look up
仰视
Certainly, doctor.Come upstairs.
当然可以，医生。上楼吧。