Octahedra
octahedron 的復數
??? 情景例句
You really have been working too hard.
你們確實太忙了。
How much will all this cost?
一共要花多少錢呢？
I did not know the way to my hotel, so I asked a porter.
我不知道去飯店的路該怎么走，于是向一個搬運工打聽。