knucklebone

n.指关节骨,膝节骨

(1) 小骨，手指节骨；(2) （童年游戏）玩指骨，玩小骨；(3)鹿茸，鹿角粉

名词

1. He injured his knucklebone while playing basketball.
他在打篮球时弄伤了手指节骨。
2. Children used to gather and play knucklebone games on the street.
孩子们过去常常聚在街上玩指骨游戏。