Encara no tenim significats per a "menacing growls".
1On they came nearer and nearer, uttering the most menacing growls.
2I could hear his panting breath and low, menacing growls.
3Here he again approached Teeka only to be again greeted with bared fangs and menacing growls.
4But suddenly the dogs sitting round Napoleon let out deep, menacing growls, and the pigs fell silent and sat down again.
5At sight of the men the beasts looked up with menacing growls, but Tarzan strode in among them, dragging the trembling Wagambi with him.
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