Cosecant
n. 余割\\n[电] 余割
📖 牛津释义
cosecant
n
(abbr 缩写 cosec) (mathematics 数) in a right-angled triangle, the ratio of the length of the hypotenuse to that of the opposite side 余割.
🗣️ 情景例句
Can I help you?
我可以帮上忙吗？
What do you know about the tenth century?
有关十世纪的事你知道些什么？
About England? What a good idea! Maybe I could talk about English names.
英国的情况？多好的主意啊！也许我可以谈谈英国人的名字。