鬣狗拥有丰富的声音表达方式;它们可以发出大约12种截然不同的叫声，其中大多数能用不同方法调整来改变其含义。
Spotted hyenas have a rich vocal repertory; they emit about a dozendistinct vocalizations, most of which can be modulated in various ways to altertheir meaning to listeners.
鬣狗拥有丰富的声音表达方式;它们可以发出大约12种截然不同的叫声，其中大多数能用不同方法调整来改变其含义。
Spotted hyenas have a rich vocal repertory; they emit about a dozendistinct vocalizations, most of which can be modulated in various ways to altertheir meaning to listeners.
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