knuckle joint
uk flag
/nˈʌkəl dʒˈɔɪnt/
British pronunciation
/nˈʌkəl dʒˈɔɪnt/

"knuckle joint"的定义和意义

Knuckle joint
01

指关节, 指节

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

球窝接头, 球形关节

a joint allowing movement in one plane only
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