Sylvialite
硫酸方柱石
🗣️ 情景例句
Please try to keep relaxed, sir.
别太紧张，先生。
How long will you remain here?
你将会在这里逗留多久？
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.
他考试过关了，更惬意的是，他大学毕业时，所赚的钱足够他开始经营自己的行业--为游客提供导游服务。