sea floor
英英释义
Noun- the bottom of a sea or ocean
例句
用作名词(n.)- They are exploiting the oil under the sea.他们在开发海底石油。
- The submarine bottomed to observe the ocean floor.潜艇潜入海底观察洋底。
- Underwater photography is also important in mapping parts of the ocean floor.水下摄影在绘制部分海床图时也是很重要的一个方法。
- While admitting the beauty of a starfish, he saw greenish toes protruding from the sandy floor.正当他惊叹于海星的美丽时，他看见从沙质海床里露出来绿色的脚趾头。
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