酸痛的后背用英语怎么说

酸痛的后背在英语中可以称为"sore back"。它的来源可能是因为身体进行了剧烈的运动或长时间的姿势不良而导致的背部疼痛。以下是一些例句：
I have a sore back from working out at the gym.
She has been experiencing a sore back from sitting at her desk all day.
He has been complaining about his sore back for weeks now.
以下是这些例句的中文翻译：
我从健身房锻炼后背部很酸痛。
她由于整天坐在办公桌前，背部感到酸痛。
他已经抱怨自己的后背酸痛了几个星期。