Read Edit View history 臭氧层 chòuyǎngcéng ozone layer Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 臭氧层/臭氧層 · chòuyǎngcéng · ozone layer 2026/03/04 臭氧层 / 臭氧層 chòuyǎngcéng ozone layer the ozone layer 臭氧层保护地球免受紫外线的伤害。 noun created sense Mar 4, 2026, 02:25 AM