knucklebone

基本解释

• n.指关节骨；膝节骨

同根派生

• knucklebone相关词

英汉例句

• His arm looks like a broken compass;it's not an arm any more, but a knucklebone with a shank attached.
  他的胳膊活像一只破损的指南针，早已不再是一条胳膊，却成了加上一条胫骨的指关节了。

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