Prismatoid
n. [數]旁面三角臺, 擬柱體
??? 情景例句
Dear Mr. Billet.
尊敬的比利先生。
The sudden noise scared the dog away.
突然突然的噪音把狗嚇跑了。
Half past four. Don't forget to tell Jim. I hope he can come too.
4：30。別忘記告訴吉姆。我希望他也能來。