knuckled是什么意思？

knuckled

• v. （指人）指关节( knuckle的过去式和过去分词 )，（指动物）膝关节，踝；

例句

• The boy knuckled down took aim and shot for the centre hole. 男孩把指关节贴在地上瞄准,然后把弹子朝中心洞打去.
• Mr. Cruncher knuckled his forehead, as Sydney Carton and the spy returned from the dark room. 克朗彻先生用指关节敲敲自己的前额, 这时西德尼-卡尔顿和密探从黑屋出来了.
• He knuckled me in the chest. 他用指关节敲击我的胸部.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  指节；指关节
  Your knuckles are the rounded pieces of bone that form lumps on your hands where your fingers join your hands, and where your fingers bend.
  例句
  Brenda's knuckles were white as she gripped the arms of the chair. 布伦达握紧椅子扶手时指关节都变白了。