名词
中文翻译：屁股
同义词：
['buttocks', 'rear end', 'behind例句：1. She sat down on the couch with her butt in the air.（她坐在沙发上，屁股翘起来。）']
例句：
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1. She sat down on the couch with her butt in the air.
她坐在沙发上，屁股翘起来。
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2. The dog was sitting on his owner's butt.
狗坐在主人的屁股上。
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3. He swung his legs over the edge of the bed and landed on his butt.
他踢腿从床边滑到地上，落在屁股上。