权威例句
Proto-LanguageProto-languageProto-LanguageProto-Semitic LanguageProto-Semitic LanguageProto-Indo-European LanguageUgaritic GrammarVahieroa (Tuamotu Mythology)NAV-CO2Proto-Indo-European Urheimat HypothesesAlgic LanguagesProto-Human LanguageMusic-language interaction in vocal music