Home/intragalacticintragalactic/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.形容词 adjective1 Astronomy.: existing or occurring within a single galaxy.Level 3Browse all words →