sea floor

ˌsea ˈfloor British EnglishBrE, seafloor American English /ˈsiːflɔː $ -flɔːr/ noun

the sea floor the land at the bottom of the sea 海底，海床 SYN seabed

Examples from the Corpus

sea floor• Later still it was found covering extensive areas of the sea floor south of Ireland.• Though they cover more than 70 percent of the Earth's surface, the rocks of the sea floor are virtually inaccessible.• This creature, shaped like a slim leaf about 6 centimetres long, lives half-buried in the sand of the sea floor.• Distinguishing between active sonar returns from mines and returns from rocks and debris on the sea floor is difficult.• Tiny oceanic microorganisms solidify carbon and oxygen gases dissolved in sea water to produce a salt which settles on the sea floor.• At the outer edge of each shelf, the sea floor plunges precipitously down into the depths.• He knows that most of his bottles will become encrusted with algae and settle to the sea floor.

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