Getting these to spawn which we've done and settle into juvenile coral means we've created an F2 generation and closed the life cycle of four species of coral in captivity.

让这些珊瑚成功产卵，以及珊瑚幼体培育工作的有序进行意味着我们已经创造出了F2代珊瑚，并完成了四种人工培育珊瑚的全生命周期培养。