Osteolite
n. [礦]土磷灰石
??? 情景例句
I'm planning to run for the school board.
我打算競選聯合校董會董事。
My brother wants to learn how to play the piano.
我的兄弟要去學彈鋼琴。
Oh, and by the way, my wife wants to know if Mary needs any help.
喔，順便問一問，我妻子想知道瑪麗是否需要幫忙。