Lithocyst
n. [動](內含平衡石的)石囊
??? 情景例句
and bring your friends along.
請帶你的朋友們進來。
My father had an interview with the principal to discuss my work.
我父親會見校長討論我的功課情況。
We invited them to our party but they decided not to come.
我們請了他們參加聚會，但他們決定不來。