wristn.手腕;腕部
wrist unit腕部装置
wrist lock夹腕,扣腕
wrist twist腕部练习
wrist drive用腕力击球
wrist sling腕带
wrist radio手表式收音机
wrist joint桡腕关节
wrist strap手环
wrist watchn.手表
wrist-pin曲柄销,肘节销