Sinh
hyperbolic sine 正弦双曲线
🗣️ 情景例句
Farming is a hard way to make a dollor.
农业很难赚钱。
You must be crazy to go walking in such awful weather.
你一定是头脑发昏了，这么坏的天气还去散步。
what would civilization be like without its benefits?
如果不受其惠，文明将会是个什么样子呢？