Epitiostanol
[化] 环硫雄醇
🗣️ 情景例句
I will. See you later.
我会告诉她的。再见！
Morning, How are you?
早，你好吗？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。