Arcsec
abbr. arcsecant 反正割
🗣️ 情景例句
He prays every night before sleep.
他每晚睡觉着都祈祷。
I now know that wars do not end wars.
如今我才弄明白，干戈不能化玉帛。
Congratulations on you success.
祝贺你的成功。