酸さん素そ負ふ債さい

noun

oxygen debt

Physiological term for the amount of oxygen required to oxidize lactic acid built up during anaerobic exercise. Used in sports science and medicine.

• 激はげしい運うん動どうの後あと、酸さん素そ負ふ債さいを返へん済さいするために呼こ吸きゅうが速はやくなる。

  After intense exercise, breathing quickens to repay the oxygen debt.