短语词组短语descend gracefully 优美地下落float gracefully 优美地漂流withdraw gracefully 优美地退下sink gracefully 优美地落下dive gracefully 优美地跳入水中sew gracefully 优雅地缝制engineer gracefully 优雅地设计beautifully gracefully 雅致地Gracefully Insane 书名 返回 gracefully