Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
Uh, it's four-thirty. Oh my!
啊 ，已经四点半了。啊 ，天啦！
Is this a recorded program?
这是不是录音节目？
In a heat wave we choose a midnight birthday party and that is the most exciting of all.
天气炎热时，我们便选择在半夜举办生日聚会，这种聚会是最令人激动的。