| 单词 | ocean floor |
| 释义 | > as lemmasocean floor ocean floor 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 1820 P. B. Shelley Ode to Liberty v, in Prometheus Unbound 211 The ocean-floors Pave it. 1883 R. Bridges Prometheus 1 This variegated ocean-floor of the air. 1990 New Scientist 13 Oct. 22/1 Swathe sonar..can produce detailed maps of the ocean floor in broad sweeps. < as lemmas |
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