名词
中文翻译：Unknown
同义词：
['chortle', 'squawk', 'quack', 'chirp']
例句：
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1.The chicks were chirruping in the nest.
小鸡们在窝里咯咯叫。
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2.The farmer heard a strange chirrup and went to investigate.
农民听到奇怪的咯咯声，去查看了。
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3. The baby bird was chirruping at the window.
婴儿鸟在窗户边咯咯叫。