The bikini bridge is a term for the space you get between your bathing suit bottom and your hip bones when you lie down. 

比基尼桥，是指（身材纤瘦的女生穿上比基尼后躺下时）比基尼式泳裤与髋骨形成的“桥状空间效果”。

There are even facetious comments posted promoting the 'benefits' of possessing a 'bikini bridge' such as 'fitting an ipod into your bikini bridge' and 'getting a smoother tan line from your bikini bridge'. 

网上还有些幽默的评论宣扬有“比基尼桥”的“好处”，比如“可以在比基尼桥下塞个iPod”，或者“有了比基尼桥，晒痕更平滑”。

Body image and wellbeing expert Katie Lowe said: 'The bikini bridge is just another example of horrendous thinspiration that encourages young women to develop poor body image and self-esteem. 

身体形象及健康专家卡蒂·洛维说：“比基尼桥是恐怖的‘崇瘦主义’的另一例证，对年轻女性的身形和自尊都有负面影响。”