名词
中文翻译：Unknown
同义词：
['hiccup', 'whistle', 'call', 'hoot', 'bleat']
例句：
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2.
尤指
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3.
尤指
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1. The dog whistled a warning to the other dogs.
狗用口哨向其他狗发出警告。
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2. The old man whistled a tune as he walked down the street.
老人边走边吹着曲子。
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3. The baby cooed and whistled in his sleep.
婴儿在睡梦中轻声哼唱和吹口哨。