Seagon.西戈
sean.海;海洋
seakeeping ability耐波性
sea wall hollowing海堤淘空
seawater nutrients海水营养盐
sea floor deposits海底矿床
seabuckthorn juice沙棘果
Sea water drowning海水淹溺
sea-floor trench海沟
sea clutter signal海杂波信号
seagoing discharge入海排污量
sea water analysis海水分析