iindexintragalactic./in-truh-guh-lak-tik/US // ˌɪn trə gəˈlæk tɪk //银河系内,银河系内部,银河系内的,银河内Definitionsadj.adjective · 形容词1. Astronomy.›existing or occurring within a single galaxy.Level 3More words in i →