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Yeah, so many females of Mauritania have racked their brain to fat themselves.
是的, 很多毛里塔尼亚女性绞尽脑汁,采取各种办法增加自己的体重.
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She racked her brains, trying to remember exactly what she had said.
她绞尽脑汁，想要回忆起她到底说过些什么话。
《牛津高阶英汉双解词典》
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