Arcsin
abbr. arcsine 反正弦
🗣️ 情景例句
Do you know the phone number of the restaurant?
知道那家餐厅的电话号码吗
He is eating a little.
他只吃了一点儿。
Can you believe that I bought a TV for $25?
你能相信吗我买一台电视只花了不起5块钱？