the seasliteraryHAAL the sea – used especially when you are not talking about a particular ocean 海，大海〔尤用于泛指〕across the seas (=far away) 遥远，远隔重洋 They came from lands across the seas. 他们来自遥远的国度。
the seas• Till a' the seas gang dry, my dear.• The crew was exhausted, the seas still heavy, and without daylight we could not see what we were doing.• The captain too found the seas rougher than his liking.• One-third of the world's human population lives on land that is liable to be inundated if the seas rise.• Who knows what the depths of the seas may yet yield?• On the seas and far away On stormy seas and far away.• The fleets of Ulthuan ranged the seas destroying Dark Elf slaving ships.• First entering shallow equatorial seas, then estuaries and coastal oceans, the prehistoric cetaceans spread through the seas of the world.
→ the seas at sea(3)