seabed
seabed — 名詞
1. the layer of rock, sand, or mud that forms the bottom of an ocean or sea
海床；海底
海洋底部的固體表面
the layer of rock, sand, or mud that forms the bottom of an ocean or sea
The research vessel dropped a camera to film the seabed three kilometres below.
那艘研究船放下攝影機，拍攝三公里深的海床。
collocation: drop + to the seabed
Adina studied photographs of the seabed taken near a deep-ocean volcano.
Adina 研究了在深海火山附近拍攝的海床照片。
collocation: photographs of the seabed
Cables that carry internet signals lie on the seabed across entire oceans.
傳送網路訊號的纜線橫跨整片海洋，鋪設在海床上。
The old shipwreck had been sitting on the seabed for more than two centuries.
那艘古老的沉船已在海床上躺了超過兩個世紀。
Alessia’s team uses sonar to map the seabed around the coast of Norway.
Alessia 的團隊使用聲納繪製挪威沿海的海床地圖。
- seafloor
the exact same meaning; preferred in scientific and technical writing
- ocean floor
equally common in general English; slightly less technical than seafloor
- ocean bottom
more general and informal; can also refer to the bottom of a large lake
文法句型
the seabed
on the seabed
用法筆記
Seabed is almost always used with the definite article the. In everyday conversation, ocean floor or sea floor are more common alternatives. This word appears frequently in news reports about underwater cables, deep-sea mining, and marine archaeology.
常見錯誤
❗ ‘The divers explored the seabed of Lake Geneva.’ ✅ ‘The divers explored the bottom of Lake Geneva.’ — Seabed refers only to the floor of an ocean or sea, not a lake.
❗ ‘The children played on the seabed at the beach.’ ✅ ‘The children played on the beach.’ — Seabed describes the deep ocean floor, not the sandy shore beside the water.