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双语:古特雷斯秘书长2023年保护臭氧层国际日致辞
Message by UN Chief for the International Day for the Preservation of the Ozone Layer 2023

双语:古特雷斯秘书长2021年保护臭氧层国际日致辞
Message by UN Chief for the International Day for the Preservation of the Ozone Layer 2021

双语:古特雷斯秘书长2020年保护臭氧层国际日致辞
Message by UN Chief on the International Day for the Preservation of the Ozone Layer 2020

双语:古特雷斯秘书长2019年保护臭氧层国际日致辞
Message by UN SG António Guterres on the International Day for the Preservation of the Ozo...

双语:古特雷斯秘书长2018年保护臭氧层国际日致辞
Message by UN SG António Guterres on the International Day for the Preservation of the Ozo...