“Sagittarus galaxy”概念、定义、翻译-科学时代

单词	Sagittarus galaxy
释义	天文学词汇手册 Sagittarus galaxy 人马矮星系
随便看	library user library user education library user statistics library user study library van libration libration libration libration libration damping libration deviation libration effect libration ellipse libration in latitude libration in longitude libration orbit libration point libration point librettist librettist libretto libretto libretto libretto libretto

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。