| 单词 | ocean bottom |
| 释义 | > as lemmasocean bottom ocean bottom n. ΘΚΠ the world > the earth > water > sea or ocean > region of sea or ocean > [noun] > sea bed groundOE sea-groundOE channela1387 sea-bottoma1400 ocean bed1638 ocean floor1820 sea bed1838 ocean basin1848 ocean bottom1855 sea-floor1855 1855 Southern Q. Rev. Apr. 530 There was made a careful exploration of the form of the ocean bottom. 1880 W. B. Dawkins Early Man in Brit. i. 1 He tells of continents submerged, and of ocean bottoms lifted up to become mountains. 1984 A. C. Duxbury & A. Duxbury Introd. World's Oceans iii. 105 These ocean-bottom populations..rely on hydrogen sulfide and particulate sulfur. < as lemmas |
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