柯林斯词典dorsiflexion /ˌdɔːsɪˈflɛkʃən/ 1. N the bending back of a part, esp the hand or foot or their digits ( 尤指手、足或其趾)背屈[医学] 返回 dorsiflexion剑桥词典the action of bending back part of the body , for example the hand 背屈，向背侧弯曲（如手） 返回 dorsiflexion