Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
If you could lend me the money,
假如你能借钱给我的话，
A burnt child dreads the fire.
一朝被蛇咬，十年怕井绳。
It looks fine to me.
看起来好像没什么问题。