trade in bicycles英语标准发音：trade in bicycles英式发音：美式发音：翻译中文自行车贸易trade in bicycles - 基本释义[词典1]做自行车生意trade in bicycles - WEB词典trade in bicycles做自行车生意 参考资料： 1.百度翻译：trade in bicycles2.有道词典：trade in bicycles3.爱词霸：trade in bicycles
