Arcsin
abbr. arcsine 反正弦
🗣️ 情景例句
This will be a perfect jacket for the wintertime
这一件夹克就很受用
Guess!
猜猜看！
Realizing that this was no ordinary fish, the fisherman made every effort not to damage it in any way.
那位渔民意识到这根本不是一条普通的鱼，于是千方百计不让它受到丝毫伤害。