of, near, found in or produced by the sea 海的; 近海的; 海中的; 海产的: a marine creature, plant, etc 海产的生物﹑ 植物等 * a marine painter, ie an artist who paints seascapes 海景画家 * a marine biologist, ie a scientist who studies life in the sea 海洋生物学家. 
of ships, sea-trade, the navy, etc 船只的; 海运的; 海军的: marine insurance, ie insurance of ships and cargo 海上保险 * marine stores, ie materials and supplies for ships 船用物品.