patellar surface

例句：

1. 1.The patient's knee was examined to determine the patellar surface condition.
   患者膝盖被检查以确定髌骨表面状况。
2. 2. During exercise, it is important to protect the patellar surface from injury.
   在锻炼时，保护髌骨表面免受伤害是很重要的。
3. 3. The doctor advised the patient to avoid activities that could damage the patellar surface.
   医生建议病人避免那些可能损害髌骨表面的活动。