Acsin
反正弦函数
🗣️ 情景例句
Well, it always worked for me, too.
嗯， 这办法对我也累试不爽。
Let things take their course.
听其自然。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。