平坦的腹部；没有赘肉或凸起的肚子
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平坦的腹部；没有赘肉或凸起的肚子；平坦的腹部；没有赘肉或凸起的肚子
an abdomen that is not protruding; a stomach with no excess fat or bulge
She does crunches every day to maintain a flat stomach.
她每天做仰卧起坐来保持平坦的腹部。
平坦的腹部；没有赘肉或凸起的肚子
an abdomen that is not protruding; a stomach with no excess fat or bulge
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