apex predator
When top predators like sharks disappear from their environments, ecosystems fall out of whack.
当像鲨鱼这样的顶级掠食者从环境中消失时,生态系统就会陷入混乱。
—— 给力词典精选Such megacrocs, then, could easily have acted as top predators in this ecosystem.
这样的巨鳄能在这样的生态系统中轻松担当顶级掠食者的角色。
—— 给力词典精选