名词
中文翻译：臀部
同义词：
['ass', 'bottom', 'rear end']
例句：
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1. She sat on the couch with her butt sticking out.
她坐在沙发上，屁股凸出。
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2. The butt of the joke was that it was a bad idea.
笑话的结尾是这是个糟糕的主意。
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3. He put his hands on his butt and leaned back in his chair.
他把手放在屁股上，靠在椅子上。