单词	versin
释义	versin /ˈvəːsɪn / /ˈvəːsʌɪn/ (also versine) noun Mathematics Another term for versed sine.The versine is related to the sine by the formula versin x = 1-cos x.... He also introduced the versine into trigonometry. Origin Early 19th century: abbreviation.
随便看	casus belli cat cat- cata- Catabanian catabolic catabolism catabolite catabolize catachresis catachrestic cataclasis cataclastic cataclysm cataclysmal cataclysmic cataclysmically catacomb catadioptric catadromous catafalque Catalan catalase catalectic catalepsy

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。