Vocalization : cockatiels are social animals by nature and live and move in flocks .
叫声：玄凤鹦鹉是群居动物，生活和移动都是成群的。
Most wolves hold territories , and all communicate through body language , vocalization and scent marking .
大多数狼都有自己的领土，它们通过肢体语言，嚎叫声，以及嗅觉进行交流。
The surprise petrified her an instant : she uttered an inarticulate vocalization , and stood nailed .
这个意外的事使她愣了一下：她发出一声不清晰的叫声，便站在那里不动了。
Giraffes communicate with one another through posturing , movement , the way they carry their tails , retreat and sometimes vocalization , which can include moos , bellows and whistles .
