Sinh
hyperbolic sine 正弦双曲线
🗣️ 情景例句
Are you still doing your photography?
你还在搞摄影吗？
I don't know anything about that.
关于那个我什么都不知道。
Six men have been trapped in a mine for seventeen hours.
6个人被困在矿井里已有17个小时了。