These are great sets because they are intense and speed-focused. Emphasizing the drill work keeps the stroke together. It eliminates bad technique - a common hurdle when training breaststroke.

这些都是很好的练习，因为他们强度很高，而且要求有速度。强调这些练习保持好的姿势。它可以消除错误的技术——在训练蛙泳时的一个普遍的障碍。

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These are great sets because they are intense and speed-focused. Emphasizing the drill work keeps the stroke together. It eliminates bad technique - a common hurdle when training breaststroke.

这些都是很好的练习，因为他们强度很高，而且要求有速度。强调这些练习保持好的姿势。它可以消除错误的技术——在训练蛙泳时的一个普遍的障碍。

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