chòu​yǎng​céng​kōng​dòng

ozone hole

Senses

臭氧层空洞/ 臭氧層空洞 chòu​yǎng​céng​kōng​dòng ozone hole

a region of marked thinning of the ozone layer in high latitudes, allowing harmful ultraviolet radiation to reach the surface of the earth

References

abbreviation 臭氧洞/臭氧洞 臭氧层空洞/臭氧層空洞