名词
中文翻译：屁股
同义词：
['buttocks', 'ass', '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 buttocks of the horse were muscular and well-toned.
马的臀部肌肉发达，线条优美。
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3. The buttocks of the dancer were adorned with colorful ribbons.
舞者的臀部装饰着五彩缤纷的丝带。