身体浮到水面后，最大的推进力量就来自手臂。因此正确的水下划水路线非常重要，也就是沙漏状划水。

Once you are on the surface, the main unit for propulsion are your arms, so it is very important that your draw the right pattern underwater, and that is a hourglass pattern.

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两只手缓慢地开始在水面划水，腿慢慢象划桨状运动，可以感觉到水对腿的压力。

Start slowly, with both hands below the surface of the water. You may even want to scull a bit to place less pressure on the legs.

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