恭喜！“最强夫妻”传来喜讯！4年前官宣恋情，网友：这是马年过年过得最幸福的家庭啊

Group 1 - The core point of the article is the success of Chinese athletes at the Milan-Cortina Winter Olympics, with Wang Xindi winning the gold medal in men's freestyle skiing aerials, marking the fourth gold for the Chinese delegation in this Olympics [1][3] - Wang Xindi scored 132.60 points to secure the championship in the men's aerials event [3] - Li Tianma, another Chinese athlete, won the bronze medal in the same event, contributing to the overall medal tally for China [1] Group 2 - Xu Mengtao, who won the gold medal in women's freestyle skiing aerials on February 18, is noted for being the first athlete to defend her title in this event at the Winter Olympics [9] - The article highlights the unique achievement of Wang Xindi and Xu Mengtao as the first couple in Winter Olympic history to both win gold medals, referred to as the "Double Gold Couple" [11] - The couple's personal relationship is mentioned, including their marriage and support for each other during the competitions [6][13][15]