knee

/ni/

hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella

Chinese meaning: 膝盖；膝关节

He injured his knee while playing football and had to rest for weeks.

他踢足球时伤了膝盖，不得不休息数周。

The doctor advised her to do exercises to strengthen her knees.

医生建议她做运动来增强膝盖力量。