The hummingbirds outmaneuver many of their insect rivals. 蜂鸟比许多昆虫对手更灵活
she rivals any big cat alive today. 它能与如今的任何大型猫科动物 一较高下
But they owe their rise to the fall of their greatest rivals. 但它们的崛起归功于 最强大竞争对手的灭亡
Unable to go the distance, his rivals drop out one by one. 对手们无法坚持下去 相继退出竞争
fighting off rivals who venture too close. 赶走所有想要靠近的竞争对手
The mother and cub are trapped between the rivals. 雌雪豹和幼崽被困在两个竞争对手之间
But if rivals are closely matched, the outcome can be uncertain. 但如果双方体型相当 鹿死谁手就难以预料