I heard you are now practicing underwater swimming, aren't you?

听说我在练习学潜泳，对吗？

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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。

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The Olympic Games competitions prior to FINA had included a variety of unusual events such as underwater swimming (1900), 200m obstacle swimming (1900) and plunge for distance (1904).

在国际泳联成立之前，奥运会游泳比赛曾包含一些非惯例项目， chaussure pas che，如1900年奥运会上的潜泳、200米阻碍泳和1904年奥运会上的水上跳近等。

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The house had grown disturbed doors pestering at their frames whenever the weather drew breath, clatters on the roof, something twisting, searching overhead, and meanwhile she dreamed a little of being underwater, swimming the length of an obstacle course, both a game and an obstacle course, in some kind of terrible amusement park.

NEWYORKER: Wasps

Always swimming underwater, the black waves of her hair flowing behind her like a school of eels.

NEWYORKER: Miss Lora

The results, which will be reported in a forthcoming issue of Functional Ecology, suggest that echelon swimming is the underwater equivalent to carrying a child.

ECONOMIST: Another reason why infant dolphins need their mothers