Buttock
01
尻, 臀部
either of the two fleshy rounded parts of the human body located at the lower end of the torso
例
He fell and landed hard on his buttocks, feeling sore for days.
彼は転んでお尻を強く打ち、何日も痛みを感じた。
She worked out regularly to tone her buttocks and thighs.
彼女は臀部と太ももを引き締めるために定期的に運動しました。



























