noun 下载 🔗分享 天文學家 One who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics Examples : "Astronomers use telescopes to study planets and stars. " 天文學家使用望遠鏡來研究行星和恆星。 astronomy science person 与AI对话词汇游戏阅读练习