connected with the sea and the creatures and plants that live there 海的;海产的;海生的 marine life 海洋生物 a marine biologist (= a scientist who studies life in the sea) 海洋生物学家
connected with ships or trade at sea Topics Transport by waterc1海船的;货船的;海上贸易的
Word OriginMiddle English (as a noun in the sense ‘seashore’): from Old French marin, marine, from Latin marinus, from mare ‘sea’.