sea
sea n. 海；海洋 在海上保险中，海不仅包括公海，还包括海湾、水湾以及随潮汐涨落的河流。可通航海域分为内水、领海、公海三部分。
SEA
sea
sea. 1. The ocean (on the sea). 2. A large landlocked part of the ocean; a large body of salt water smaller than a regular ocean (the Mediterranean Sea). 3. The ocean swell (a rough sea). 4. An extremely large or extended quantity (a sea of documents). free seas. See high seas. high seas. The