After lifting heavy boxes in the warehouse, several workers complained of pain in their knee joints.

在倉庫搬完重箱子後,好幾位員工抱怨膝關節疼痛。

Our new health insurance plan covers physical therapy for employees with joint injuries.

我們新的健康保險方案涵蓋關節受傷員工的物理治療費用。

Long flights can make your joints stiff, so the airline recommends walking around the cabin.

長途飛行會讓關節僵硬,所以航空公司建議在機艙內走動。