長子繼承制 angolul

primogeniture▼(exclusive right of inheritance belonging to the eldest child)
noun
[UK: ˌpraɪ.məʊ.ˈdʒe.nɪ.tʃə(r)] [US: ˌpraɪmo.ʊ.ˈdʒe.nɪ.tʃər]