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　　從1998年長(zhǎng)野冬奧會(huì)開始，中國(guó)女子空中技巧運(yùn)動(dòng)員幾次沖擊冬奧金牌未能成功。2022年北京冬奧會(huì)，徐夢(mèng)桃憑借女子頂級(jí)難度動(dòng)作BFFF最終圓夢(mèng)。她為什么能贏得金牌？