汉英对照/背痛可能出现在背部的下部，中部和上部
< 汉英对照
背痛可能出现在背部的下部，中部和上部，并且可能是由于各种活动或受伤引起的。 症状通常是过度运动引起的疼痛。
Back pain may appear in the lower, middle, and upper parts of the back and may be caused by various activities or injuries. Symptoms are usually pain caused by excessive exercise.