On the third length, breathe every three strokes, with each hand-hit counting as one stroke. This is commonly called bilateral breathing.

第三个长度采用三划一换气，注意每只手的划水都算一划。这样的换气方式就是通常说的双侧呼吸。

youdao

On the third length, breathe every three strokes, with each hand-hit counting as one stroke. This is commonly called bilateral breathing.

第三个长度采用三划一换气，注意每只手的划水都算一划。这样的换气方式就是通常说的双侧呼吸。

youdao