Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
You would be well-advised to book in advance.
你还是提前预订较为稳妥。
I couldn't agree more.
我也是这么想的。
This is the largest dress in the shop.
这是店里最大一件。