Chinese ⇄ Arabic Basque Bulgarian Catalan Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Japanese Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Slovak Slovene Spanish Swedish Turkish Ukrainian

臭氧层 chòuyǎngcéng
environ.	camada do ozono (在大气层的上层，臭氧浓度明显增强，其中臭氧对于保证大气辐射的平衡起到了重要的作用。)

臭氧层: 4 phrases in 1 subject

Environment

4