seafloor scour海底冲刷
seafloor valley海底谷
seafloor model海底模型
Seafloor bathymetry海底地形测量
seafloor hydrothermal海底热液
seafloor collapse海底滑塌
seafloor reverberation海底混响
silty seafloor粉砂质海底
seafloor parameters海底声参数
N-SING(单数型名词) The seafloor is the ground under the sea. 海底