kneepan
名词膝盖骨
1. 膝盖骨：kneepad 护膝 | kneepan 膝盖骨 | kneepiece 护膝部分
kneepan的近义词
1. Fauchelevent had dislocated his kneepan in his fall. 割风的膝盖骨跌脱了。
noun
1. a small flat triangular bone in front of the knee that protects the knee joint
Synonym: patella kneecap