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...
The lessons learned at the cost of blood helped to sober us.血的教训使我们的头脑清醒了.We must cherish experience acquired at the cost of blood.我们必须珍惜用鲜血换来的经验.He rescued the boy from drowning at the cost of his own life.他救这小孩免于淹死却牺牲了...