Please raise your hands for help immediately if you experience muscle cramp and fatigue.

在游泳过程中发现自己体力不支或有抽筋现象时，请立即举手呼救。

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Please raise your hands for help immediately if you experience muscle cramp and fatigue.

在游泳过程中发现自己体力不支或有抽筋现象时，请立即举手呼救。

youdao