predator

狮子通常被视为其生态系统中的顶级捕食者。

The lion is often regarded as an apex ___predator in its ecosystem.

猎豹是一种快速的捕食者，依靠速度捕捉猎物。

The cheetah is a fast ___predator that relies on speed to catch its prey.

在野外，隐秘的捕食者可能只在攻击时才会暴露自己。

In the wild, a stealthy ___predator may only reveal itself when attacking.