经常地；不断地frequently; constantly
常川往来
have frequent dealings with someone
常川供应
supply something frequently
常川不息
unceasing
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。