单词乎

knuckle joint

汉语翻译

【计】 铰链连接, 肘形接

英语解释

名词 knuckle joint:

  1. a joint of a finger when the fist is closed
    同义词:knuckle, metacarpophalangeal joint
  2. a joint allowing movement in one plane only
    同义词:hinge joint
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