Janine Newberry, right and Karen McKay model two new backless and strapless bikinis, on the King's Road in Chelsea London Wednesday May 12, 2004. The new bikinis are designed for sunbathing avoiding the marks caused by straps . They and are held in place with a gel compound at the sides. They will retail for US$ 43. (AP Photo/Alastair Grant)

词汇：

backless adj.无背的，无靠背部的

strapless adj.无带的，无背带的，无吊带的

bikini n.比基尼泳装

Chelsea n.切尔西（伦敦自治城市，为文艺界人士聚居地）

sunbathe n.日光浴

mark n.标志，痕迹，记号

strap n.带，皮带

gel n.凝胶体

compound n.混合物，[化]化合物