Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
Hi, Robbie.
嗨， Robbie。
He isn't really serious; he's just playing games with her.
他并不是一本正经，只是跟她玩玩游戏而已。
His life shall be at the mercy of the Duke.
他的生命全凭公爵处置。