1815Burney Dict. Marine, Wring-bolts,..in ship-building, are bolts used to bend and secure the planks against the timbers. [Hence in Crabb (1823) and later Dicts. Cf. wrain-bolt.]
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。