Sinh
hyperbolic sine 正弦双曲线
🗣️ 情景例句
I can't tell you how sorry I am.
我真的是很抱歉。
He's a student.
他是学生。
It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered.
她刚看见它，它就立刻逃走了。专家证实，美洲狮非被逼得走投无路，是决不会伤人的。