noun🔗Share流星体，陨星体 A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere"The astronomy club discussed how a meteoroid becomes a meteor when it enters Earth's atmosphere and burns up. "天文社团讨论了流星体进入地球大气层并燃烧时，如何变成流星的过程。astronomyspacescienceChat with AIVocabulary GamePractice Reading
