The Pre-Dorset culture was a Paleo-Eskimo culture that lived in the Eastern Canadian and Greenland Arctic from 2500 to 500 BC, and preceded the Dorset culture.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。