Never hold your breath - even if you'll swim three to five strokes between breaths.

不要屏息、憋气——即便你要采用每五划一呼吸的方案。

youdao

Never hold your breath - even if you'll swim three to five strokes between breaths.

不要屏息、憋气——即便你要采用每五划一呼吸的方案。

youdao