More recently, breath-hold diving has become a competitive sport.

最近，屏息潜水已经成为一种竞技运动。

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Breath-hold diving often leads to hypoxia, elevated blood pressure, slowed heartbeat and other physiological changes.

屏息潜水经常发生缺氧，血压升高，减慢心率，以及其他生理功能的改变。

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It will hold aquatic events such as swimming, diving, water polo and synchronized swimming.

它将举行水上项目如游泳、跳水、水球和花样游泳。

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Kallis was also given a lifeline when 44, Marcus Trescothick failing to hold onto a low edge diving at slip, after the unfortunate Giles turned one out of the rough.

BBC: SPORT | Cricket | South Africa pile up massive lead