Orthopyramid
正棱錐
??? 情景例句
I think you'll be just fine.
我想你是沒問題了。
Hello. May I speak to Mr. Green?
你好，我找格林先生。
In the centre of the hall, there were a number of tall structures which contained coloured lights.
展廳中央是裝有彩色燈泡的許多高高的構件，