re-oxygenation

例句：

1. 1. During the surgery, the patient was re-oxygenated to improve oxygenation levels.
   手术期间，患者被重新供氧以提高氧合水平。
2. 2. The firefighters were instructed to re-oxygenate the injured person with fresh air.
   消防员被指示用新鲜空气给受伤的人进行再氧合。
3. 3. The patient was given a re-oxygenation mask to help him breathe more easily.
   患者被给予一个再氧合面罩，以帮助他更容易地呼吸。