基本解释[數] 正矢词组短语短語versed d sine 正矢versed sine更多词组英英字典柯林斯英英字典 a trigonometric function equal to one minus the cosine of the specified angle ( abbr: vers)versed sine剑桥字典versed sine柯林斯字典专业释义數學正矢（函數）正矢