1A chain, now generally a roller chain, used to transmit driving power to the rear wheel of a bicycle or motorcycle.
2A chain used to secure and prevent the theft of a bicycle or motorcycle.
Late 19th century; earliest use found in Bath (Maine) Independent.
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。