chòu​yǎng​dòng

ozone hole

Senses

臭氧洞 chòu​yǎng​dòng ozone hole

A region of the atmosphere where the concentration of ozone is significantly reduced, allowing harmful ultraviolet radiation to reach the Earth's surface; short for 臭氧层空洞 chòu​yǎng​céng​kōng​dòng

References

abbreviation 臭氧洞/臭氧洞 臭氧层空洞/臭氧層空洞
same_as 臭氧洞/臭氧洞 臭氧空洞/臭氧空洞