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	dog-tooth dog-toothed dogtooth spar dogtooth tuna dogtooth violet dogtown dog track dog-train dog-tree dog trial dogtrot dog truck dog tucker Dogue de Bordeaux dogvane dog violet dog walker dog walking dogwatch dog-weary dog-wheel dog whelk dogwhip dogwhipper dog whistle

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。