Botallackite
羟氯铜矿
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
Can I take you out to dinner? It'll be my treat.
我带你出去吃饭好吗？这次我请客。
William S.hart was, perhaps, the greatest of all Western stars, fro unlike Gary Cooper and John Wayne he appeared in nothing but Westerns.
威廉。哈特大概是美国西部电影明星中的佼佼者。他和加里。 古柏、约翰。韦恩不同，他只在西部电影中扮演角色。