Barystrentianite
碳酸鋇鉍礦
??? 情景例句
All set for eating.
吃飯用的一切都準備好了。
No reasonable person could refuse.
凡事明事理的人都不會拒絕此事。
Please sign here to show that you have received the money.
請在這兒簽字以表明你已收到這筆錢。"