oxygen-rich air的用法和樣例：
例句
- However, direct use of oxygen, or enrichment of the air with oxygen, is necessary for some processes.
但是對于某些過(guò)程，直接使用氧或富氧空氣是必要的。 - Oxygen-enriched atmospheres can cause materials that burn in air to burn more violently or even explosively.
富氧空氣會(huì )導致在空氣中可燃的材料燃燒得更劇烈，或者甚至發(fā)生爆炸。
