Many people hurt their backs when they try to lift heavy things from the floor翻译成中文
问题描述：
Many people hurt their backs when they try to lift heavy things from the floor翻译成中文
答
人们在举起地上的重物时经常会伤到自己的腰
答
很多人从地上举起重物时,都会伤到他们的背部