名词
中文翻译：口哨
同义词：
['sniffle', 'whistle', 'blow', 'sing例句：1. He whistled a tune as he walked by the lake.（他边走边吹口哨，经过湖边。）2. The children were whistling in the park.（孩子们在公园里吹口哨。）3. She whistled a happy tune to cheer up her friend.（她吹着欢快的曲子来安慰她的朋友。）']
例句：
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1. He whistled a tune as he walked by the lake.
他边走边吹口哨，经过湖边。
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2. The children were whistling in the park.
孩子们在公园里吹口哨。
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3. She whistled a happy tune to cheer up her friend.
她吹着欢快的曲子来安慰她的朋友。