Seventypercentofourplanetiscoveredbyonehugebodyofseawat...
问题详情：Seventypercentofourplanetiscoveredbyonehugebodyofseawater﹣theocean．In2008，theUnitedNationsrecognized（确立）June8asWorldOceansDay．It'sadaytothinkabouttheimportantrolethattheoceansplayinourlives，thedan...