backless
/ˈbækləs/ 12A backless dress leaves most of a woman's back uncovered down to her waist. 无背的(衣服)
adjective [原级]无背的；无靠背的；无后盾的
No athletic shoes, clogs, and backless shoes will be permitted. 运动鞋，脚链，还有没有跟的鞋是不允许的。
单词造句:
No athletic shoes, clogs, and backless shoes will be permitted. 运动鞋，脚链，还有没有跟的鞋是不允许的。