Acsin
反正弦函数
🗣️ 情景例句
What broke up their friendshop?
是什么破坏了他们的友情呢？
I think it's going to be a nice day.
我想今天会是一个好天。
It's only three hundred pounds. But, of course, it's not as good as the expensive one.
它只要300英镑。但是，它当然没有价钱高那种好。