1828in Webster.
1852Th. Ross Humboldt's Trav. II. xvi. 7 The same little helicites..are found in layers of three or four feet thick as far inland as Turmero.
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。