1747Hooson Miner's Dict. N 3 b, Nittings [is] that Ore that stays in the Seive in washing of Smitham, which is something rounder than the Smitham it self.
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。