名词
中文翻译：屁股
同义词：
['buttocks', 'rear end例句：1. She sat on the couch with her buttocks sticking out.（她坐在沙发上，屁股翘得老高。）']
例句：
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1. She sat on the couch with her buttocks sticking out.
她坐在沙发上，屁股翘得老高。
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2.The dog's buttocks were covered in mud.
那只狗的屁股上全是泥巴。
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3. He squatted down to avoid hitting his buttocks on the chair.
他蹲下来以免碰到椅子的屁股。