Read Edit View history 臭氧 chòuyǎng ozone Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 臭氧 · chòuyǎng · ozone 2026/03/04 臭氧 chòuyǎng ozone ozone (O₃) 臭氧层能保护地球免受过量紫外线的辐射。 created sense Mar 4, 2026, 02:25 AM