Knuckle joint
volume
British pronunciation/nˈʌkəl dʒˈɔɪnt/
American pronunciation/nˈʌkəl dʒˈɔɪnt/

"knuckle joint"的定义和意义

Knuckle joint
01

拳头关节, 手指关节

a joint of a finger when the fist is closed
knuckle joint definition and meaning
02

指关节, 铰链关节

a joint allowing movement in one plane only
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