单词：sidereal second
音标：[saɪˈdɪəri:əl ˈsekənd] ；
恒星秒
单词：sidereal second 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(583) / 评论(0)
疯狂英语2004年
疯狂英语2004年