鬣狗“呜呜”叫声是由一轮发音而形成的一系列不连贯的呼唤，可以传播到两英里以外。

The hyena's whoop vocalization is a series of discrete calls produced in about of sound that can travel distances of more than two miles.

youdao

随后它便缩回爪子，适应地依偎在我的怀抱里并发出呜呜的叫声。

Then he retracted them, settled into my embrace and began to purr.

youdao

加利福尼亚海岸的蓝鲸会发出嘀嘀嘀呜呜呜这样两部分的叫声。

Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call).

youdao

And for her, love doesn't mean say I love you my little baby, to her kitten or make a cooing noise to show her love.

对于它来讲，爱并不意味着,要对它的宝宝说，我爱你宝宝,或者制造呜呜的叫声来表达它的爱。

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