鳄鱼是一种经常藏在河里的捕食者。
The ___crocodile is a predator that often hides in rivers.
我们看到沼泽里有一条鳄鱼，所以决定不去游泳。
We saw a ___crocodile in the swamp, so we decided not to swim.
鳄鱼强有力的颚能毫不费力地咬碎骨头。
The ___crocodile's powerful jaws can crush bones effortlessly.
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