基本解释马拉松运动员同根派生 英汉例句They saw me with my thin marathoner's body and wondered what it was that I admired in this portly paramour with the plus-size panties.他们看着我跟马拉松运动员一样瘦削的身段，讶异于我究竟看上这个穿加大尺码裤子的了不得的情人的哪一点。