Sinh
hyperbolic sine 正弦双曲线
🗣️ 情景例句
It was dumb of you to say that.
你说那种话真的是太愚蠢了。
Do you know the percentage of the damaged portion?
你们知道残损部分的百分比吗？
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？