Arcsec
abbr. arcsecant 反正割
🗣️ 情景例句
I wish we had brought Max.
我也希望带了Max来。
Half a tale is enough for a wise man.
聪明人凡事只须听一半，就会明白究竟。
I don't know how to express my gratitude.
我不知道怎样来表达我的感激之情。