knuckles

n.指关节；膝关节；肘形接头；铰链连接

v.以指节压；屈从；开始努力工作

Our fingers bend at the knuckle. 我们的手指在指关节处弯曲。

Guidry had the 1 of the best sliders ever and should teach him, and Moose should teach him the Knuckle curve. 古得利已经有了史上最厉害的滑球，必须要好好传授他，然后轮到穆西纳，也必须要教他指关节区球。