单词	graval
释义	graval 砾石；砾
随便看	collective labour of society collective labour society collective labo u r society collective land Collective Land Cadastral Inventory collective land expropriation Collective land expropriation system collective land for construction collective land in city collective land ownership collective land ownership system Collective land proprietary right Collective land right collective land rights collective language collective language code element collective leadership collective leadership/decision-making collective leadership of CPC collective leads Collective leadship collective learning collective learning curve collective lens Collective lesson of vocal music