n. a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)
n. 新鲜的空气, 臭氧, 使人愉快的影响
[化] 臭氧
1. Ozone is important for protecting us from harmful ultraviolet rays.
臭氧对保护我们免受有害紫外线的伤害很重要。
2. The ozone layer helps to keep the Earth's temperature stable.
臭氧层有助于保持地球的温度稳定。
3. Cities often have lower ozone levels on rainy days.
城市在雨天通常臭氧水平较低。