previous to英语标准发音:previous to英式发音:美式发音:翻译中文之前previous to - 基本释义[词典1]先于在…之前在……以前在之前previous to - WEB词典previous to在以前先的在…之前previous visits to以往探访前几次访问Previous injury to lower li下肢曾经 参考资料: 1.百度翻译:previous to2.有道词典:previous to3.爱词霸:previous to