Arcsec
abbr. arcsecant 反正割
🗣️ 情景例句
I'm his friend.
我是他的朋友。
Would you like to go for a leisurely walk?
你想要去作一次悠闲的散步吗？
She did not even look up when I took my seat beside her.
当我在她身旁坐下来的时候，她甚至连头都没有抬一下。