BoyanSlat的精選

問題詳情：Twoyearsago，BoyanSlat，41.________ 19­year­olduniversitystudentinHolland，madetheclaimthathe42.________cleanuptheoceans（海洋）vastaccumulationofplastics（塑料）inaboutfiveyears.43．________adivingholiday...