Brackish waters generally support only a small range of faunas.咸水水域通常只能存活为数不多的几种动物。We shall appreciate this difficulty more clearly, by looking to certain existing faunas and floras.通过观察某些现存的动物群和植物群,我们就能更清楚地了解这种困难了.Most ...
At least four high-flying warplanes had to take evasive action.至少有4架高空飞行战斗机不得不采取避让行动。Warplanes that have landed there will be kept until the war is over.降落在那里的战斗机将一直扣留到战争结束。They're backed by allied warplanes and tan...