(1)胎盤と胎児を結ぶ膜状の管
(2)membranous duct connecting the fetus with the placenta
さらに詳しく
(1)予備として取っておく資金
(2)a fund of money put by as a reserve
(1)隠し財産物・金
(2)予備として取っておく資金
(3)a secret store of valuables or money
(4)a fund of money put by as a reserve
