英语词汇“old age dependency ratio”的翻译、意思、用法、释义-英汉汉英词典

单词	old age dependency ratio
释义	old age dependency ratio扶老比old age dependency ratio扶老比社會學名詞
随便看	cattleshow cattle shows cattle squeezer cattle stop cattle-stop cattle sweating sickness cattle-tending ant cattle tick cattle tick fever cattle truck cattle-truck cattle vessel cattle waggon cattle wart cattleya cattleya hybrida cattleyas cattley guava cattley guava--strawberry guava cattley guava，strawberry guava cattolica cattolica eraclea catton, bruce catton, (charles) bruce cat train