Cosecant
n. 余割\\n[電] 余割
?? 牛津釋義
cosecant
n
(abbr 縮寫 cosec) (mathematics 數) 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
Are the beaches safe for swimming?
在這兒的海灘游泳安全嗎？
I feel the same way.
我也有同感。
Come on.
來吧（趕快）