Sinh
hyperbolic sine 正弦双曲线
🗣️ 情景例句
Camping out is such great fun.
露营是件非常好玩的事。
I slipped on the stairs and fell down.I broke my leg.
我在楼梯上滑倒了并且掉下来我弄断了腿的。
When he woke up, his hands and feet had already been tied together.
当他醒过来的时候，他的手脚已经被捆起来了。