sportscaster
noun [ C ] mainly US uk/ˈspɔːtsˌkɑː.stər/ us/ˈspɔːrtsˌkæs.t̬ɚ/
（电视台或电台的）体育节目播音员，体育节目解说员
someone who appears on television or radio, giving information and news about sports events
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。