hardbottom

名词 n.
中文释义

英文释义

名词 n.
  1. A hard seafloor, typically a layer of sand covering rock. countable,uncountable
    — Measures of seafloor topographic complexity were used as a proxy for the availability of hardbottom, since a comprehensive map of hard and soft seafloor sediments was also not readily available.

词形变化

hardbottoms plural

词源

From hard + bottom.
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