单词：sidereal system
[网络] 恒星系；恒星系统
单词：sidereal system 相关文章
Masterpieces for the Gentleman The Watch A Swiss watch maker will tell you the only non-negotiable item in the world is time. It can't be bought, sold or traded, therefore its measurement is precious.
发表于:2018-11-28 / 阅读(159) / 评论(0)
疯狂英语2004年
疯狂英语2004年