Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
Yes, of course.
可以，当然可以。
There is no fire without smoke.
无火没有烟。
Excuse me, please! Which is the way to the North Street Hospital?
请问，去北街医院怎么走？