单词 | abyssal plain |
释义 | abyssal plainabyssal plainabyssal plainabyssal plain:see oceanocean,interconnected mass of saltwater covering 70.78% of the surface of the earth, often called the world ocean. It is subdivided into four (or five) major units that are separated from each other in most cases by the continental masses. See also oceanography. ..... Click the link for more information. . abyssal plain[ə′bis·əl ′plān] |
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