4. 海底的：海底 sea floor | 海底的 submarine | 海底地形的 bathyorographical
1. 潜艇(亦使用缩略形式sub)
A submarine is a type of ship that can travel both above and below the surface of the sea. The abbreviation sub is also used.
e.g. ...a nuclear submarine.
核潜艇
2. 水下的;海底的
Submarine means existing below the surface of the sea.
submarine在线翻译
e.g. ...submarine caves.
海底洞穴
e.g. ...submarine plants.
海底植物
3. 潜艇三明治，长卷三明治(亦使用缩略形式sub)
A submarine sandwich is a long soft bread roll filled with a combination of things such as meat, cheese, eggs, and salad. The abbreviation sub is also used.
词典解释
1. 潜艇(亦使用缩略形式sub)
A submarine is a type of ship that can travel both above and below the surface of the sea. The abbreviation sub is also used.
e.g. ...a nuclear submarine.
核潜艇
2. 水下的;海底的
Submarine means existing below the surface of the sea.
submarine在线翻译
e.g. ...submarine caves.
海底洞穴
e.g. ...submarine plants.
海底植物
3. 潜艇三明治，长卷三明治(亦使用缩略形式sub)
A submarine sandwich is a long soft bread roll filled with a combination of things such as meat, cheese, eggs, and salad. The abbreviation sub is also used.