bradn.(名词)A thin wire nail with a small head or a slight side projection instead of a head.角钉,平头钉:有一小头或小侧突而非圆头的细铁钉来源:Middle English 中古英语 from Old Norse broddr [spike] 源自 古斯堪的纳维亚语 broddr [大钉] 【引伸】bradv.(动词)