名词
中文翻译：球状物
同义词：
['hairy ball', 'hairy lump', 'woolly ball例句：1. The dog had a big hairball that made it difficult for him to eat.（这只狗有一个大毛球，让它很难吃东西。）']
例句：
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1. The dog had a big hairball that made it difficult for him to eat.
这只狗有一个大毛球，让它很难吃东西。
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2. When she brushed her hair, she found a hairball in the comb.
当她梳理头发时，她在梳子里发现了一个毛球。
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3. The cat was playing with a hairball and didn't realize it was dangerous.
那只猫在玩一个毛球，没有意识到它是危险的。