It lies at a distance of 1.4kpc, and its average reddening of E(B-V) is 0.47. It provides an excellent sample for the study of star formation and their early evolution.是什么意思_It lies at a distance of 1.4kpc, and its average reddening of E(B-V) is 0.47. It provides an excellent sample for the study of star formation and their early evolution.在线翻译_英语_读音_用法_例句