Arcsec
abbr. arcsecant 反正割
🗣️ 情景例句
Just three days.
只要三天。
The apple will be eaten quickly.
我能立刻吃掉一个苹果。
Late in the afternoon, the boys put up their tent in the middle of a field.
傍晚时分，孩子们在田野中央搭起了帐篷。