Metapopulation
集合種群
??? 情景例句
I've been thinking a lot about our responsibilities
我對于我們的職責(zé)想了很多
Good-bye, cruel world.
永別了，殘酷的世界啊。
It often rains,sometimes quite heavily. Everything grows very quickly.
常下雨，且有時下得很大。萬物生長很快。