A Neolithic monument near Avebury in Wiltshire, a flat-topped conical mound more than 40 m (130 ft) high, which is the largest man-made prehistoric mound in Europe.
英语词典包含464360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。