名词
中文翻译：Unknown
同义词：
['moo', 'moo', 'baa', 'baa-baa']
例句：
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1.
动物的
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2.
尤指婴儿的
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3.
尤指在夜间或黑暗中
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1. The baby was making a booing sound in his sleep.
宝宝在睡觉时发出咕噜声。
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2. The cow mooed loudly as it walked by.
奶牛走过时发出低沉的哞声。
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3. She whispered to herself in the dark, mumbling "boo."
她在黑暗中低声嘟囔着“咕”。