单词	分段设备
释义	分段设备stepwise device
随便看	user experience time user facilities servie user facility user fee user feedback user fees user file user file directory user file directory{=ufd} user file directory，ufd user font user font utility user friendliness user-friendliness user friendly user-friendly user friendly interface user friendly interface--ufi user friendly interface，ufi user-friendly practice user friendly system user-friendly technology user-generated content user-generated content {=ugc} user graphic file