stepsisters
n.
（继父与其前妻或继母与其前夫所生的）姐姐，妹妹( stepsister的名词复数 );
例句:
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Weeping, Cinderella left the room with her stepsisters'wicked laughter behind her.
灰姑娘哭着离开房间, 背后传来她继姐妹邪恶的笑声.
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Ugly as sin themselves, the two stepsisters hated Cinderella for her beauty.
那两个异母姐妹自己丑陋不堪, 十分嫉恨灰姑娘的漂亮.
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The two lazy stepsisters asked Cinderella to do things for them.
两个懒惰的后姐姐也让灰姑娘为她们做事.