1A board used to register time worked by individual workers in a factory, etc.
2A board on which times are displayed at a sporting event.
Mid 19th century; earliest use found in Nautical Magazine.
英语词典包含464360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。