The difference essentially being that the bikini is a two-piece item with the stomach exposed while the swimsuit has a stretch of material joining the top and bottom.

• 比基尼是泳装的一种发展方向，两者最重要的区别在于比基尼是两件套，腹部露在外面，而一般的泳装有一块材料将上半身和下半身连在一起。