英语释义
1. being or carried on under the sea or under the surface of the sea
undersea oil deposits undersea fighting
2. designed for use under the surface of the sea
an undersea fleet
3. under the sea beneath the surface of the sea
photographs taken undersea
4. found, done, or used below the surface of the sea
5. being or done under the sea or under the surface of the sea
an undersea volcano
6. used under the surface of the sea
an undersea vessel