1 2023年聯合國世界海洋日(World Ocean Day)的主題為:
(A)Planet Ocean: Tides Are Changing
(B)Planet Ocean: Collective Action for the Ocean
(C)Innovation for a Sustainable Development Ocean
(D)Revitalization: Tides Are Changing
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統計: A(4), B(3), C(2), D(0), E(0) #3127028
統計: A(4), B(3), C(2), D(0), E(0) #3127028