The whole series was evidently deposited in shallow water on the summit of a submarine volcano standing in its present isolation, and round which the ocean floor has probably altered but a few hundred feet since the Eocene age.
Been made to arrive at a definite international agreement on this subject, and certain terms suggested by a committee were adopted by the Eighth International Geographical Congress at New York in 1904.4 The forms of the ocean floor include the shelf, or shallow sea margin, the depression, a ge
ocean floor与发音含义,同义词,反义词,翻译,刑和更多的