fueled by the arrival of flowering plants... 这得益于开花植物的出现
Although, there is another important new arrival. 但是还有另外一个重要的新来者
The arrival of predation was a seismic shift in the ancient seas. 捕食者的出现 是古代海洋中的一次颠覆性转变
..or warn each other about the arrival of predators. 也许是警告同胞捕食者的出现
The whale shark has timed it's arrival exactly right. 鲸鲨非常准时地到场