名词
中文翻译：Unknown
同义词：
['streak', 'buzz', 'hum', 'chirp', 'trill', 'whistle']
例句：
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1. Bees stridulate to communicate with each other.
蜜蜂通过鸣叫来彼此交流。
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2. The crickets were chirping in the background.
蟋蟀在背景中鸣叫。
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3. The hum of traffic filled the air.
交通的嘈杂声充满了空气。
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4.The bird trilled its sweet song.
那只鸟发出了甜美的鸣叫声。
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5. She whistled a tune to her dog.
她吹奏了一曲旋律给狗听。