1Round; about.
2Astronomy Denoting the point nearest to a specified celestial body.
From Greek peri 'about, around'.
1Around; about.
From Greek peri ‘about, around’.
英汉双解词典包含464360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。