The objects also are a repository of natural resources and could become waystations for future exploration.
ENGADGET: PSA: Asteroid 2012 DA14 will pass the Earth at 2:00pm ET Alt
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。