but one giant leap for life on Earth. 地球生物一大步
It was a considerable leap in human history. 这是人类历史上质的飞跃
He can travel over 100 feet in a single leap. 他纵身一跃可以飞出三十余米
Male gliding leaf frogs leap from the treetops. 雄性红眼叶蛙,正从树顶下落
so the lizards have to leap for their food. 所以蜥蜴必须跳起来捕食