不得不跳跃

sad to say───不幸的是

to leap───跳跃

fed to death───感到厌烦死了

hand to hand───逼近地；一个个传过去的

ant heap───n.人群密集的地方；蚁丘

end to end───adv.首尾相连

giant leap───一大步；飞跃

I don’t know, but every leap had lead to better lives for all mankind.───今天我认出你来，我得纵身一跃，跃过我的整个人生回到那个时间去。

development of revolution of world new technology, make the mankind had revolutionary leap to deep-sea understanding.───世界新技术革命的发展，使人类对海洋的熟悉有了突破性的飞跃。

In other words, they had to leap from "the mutation need not be lethal" to (in effect) 'the mutation causes no significant harm'.───换句话说，他们的研究基点从“突变未必是致命的”一跃成为“突变在结果上不造成重大损坏”。