手指关节的英文：
knuckle

参考例句：

His knuckles showed white with the effort when he eased his powerful torso into the chair.
当他那强健有力的身躯坐在椅子上的时候，他的手指关节都因为用力的关系而呈现出白色了。

The finger joints are called knuckles.
手指的关节叫做指关节。

wainwright rubbed a knuckle along the surface of his chin
温赖特的一个手指关节在下巴上搓来搓去。

My knuckles whitened from my tense grip on the steering wheel
我紧紧地握着方向盘，手指关节绷得没有了血色。

knuckle是什么意思：
n. 指关节；膝关节，肘
v. 用指关节敲打；开始认真工作

The finger joints are called knuckles.
手指的关节叫做指关节。

coupling knuckle pin
车钩关节销

A knobbed bone, as of a knuckle or joint.
指节骨一种圆形突出的骨头，如指关节或关节的

He knuckled me in the chest.
他用指关节敲击我的胸部。

Mr. Cruncher knuckled his forehead.
克朗彻先生用指关节敲敲自己的前额。