其中有的具有竞赛泳衣的背部设计特点。 泳赛式的背部设计搭配背心很棒，而且还能添加背带的无衬效果。
Some feature a racerback style back which is great for wear with tank tops and for lending a no-slip effect to the straps.
其中有的具有竞赛泳衣的背部设计特点。 泳赛式的背部设计搭配背心很棒，而且还能添加背带的无衬效果。
Some feature a racerback style back which is great for wear with tank tops and for lending a no-slip effect to the straps.
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