quoins英式朗读美式朗读基本解释(quoin 的复数) n. 外角, 楔子 vt. 用楔子固定英文释义plural of quoin n. expandable metal or wooden wedge used by printers to lock up a form within a chase n. the keystone of an arch词形变化原形quoin上一个单词:quoined下一个单词:quoit