Seventypercentofourplanetiscoveredbyonehugebodyofseawat...
問題詳情：Seventypercentofourplanetiscoveredbyonehugebodyofseawater﹣theocean．In2008，theUnitedNationsrecognized（確立）June8asWorldOceansDay．It'sadaytothinkabouttheimportantrolethattheoceansplayinourlives，thedan...