Our warehouse staff must wear knee pads when loading boxes onto the lower shelves.

我們的倉庫員工在把箱子搬上下層貨架時必須戴護膝。

Daniel emailed his manager to say he hurt his knee and would work from home.

Daniel 寄信給主管，說他膝蓋受傷，要在家工作。

The airline offers extra legroom seats for passengers with knee problems on long flights.

航空公司為膝蓋有問題的旅客在長途航班上提供腿部空間較大的座位。