underwater swimming

In preparing for Short Course Nationals, keep in mind how crucial your starts, turns and underwater swimming will be.

在准备短池比赛的时候，要记住你的出发，转身和水下泳姿将是多么重要。

For the underwater image of swimming pool, its S/ N is low and the edge is fuzzy.

由于泳池水下图像受水波干扰较为严重。

The Library's pool gets its startling color from a base of mosaic glass tiles in orange, yellow and blood red, and at night underwater lights transform the swimming pool into a dazzling spectacle on the seafront.

这里泳池的颜色让人一看，着实吃惊。泳池底部铺设有橙色、黄色和血红色的瓷砖。到了晚上，水下灯光一打，就会使整个泳池成为海边一道令人目眩神迷的美景。

Some sets in my training even include fast underwater kicking mixed with swimming.

有些时候所做的组合练习甚至还把快速的水下蝶腿和配合游泳组合起来。