omniumnoun [ C, usually singular ]
/ˈɒm.ni.əm//ˈɑːm.ni.əm/a bicycle racing event consisting of several races of different distances and types, done over several days in a velodrome (= a track for bicycle racing with steeply sloping sides)
英语词典包含110679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。