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单词 coral reef
释义

coral reefn.

A reef or marine bank of rock formed by the growth and deposit of coral; ‘a connected mass of coral structures, whether trending away in long partially-submerged ledges, encircling islands like breakwater-barriers, or rising as low ring-shaped islets above the water’ (Page). The reef-building corals are chiefly madrepores of the genera Meandrina, Caryophyllia, and Astroides.
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coral reef1745
barrier-reef1806
bioherm1928
1745 P. Thomas True Jrnl. Voy. South-Seas 151 A Coral Riff of Rocks between us and the Shore.
1831 H. T. De la Beche Geol. Man. ii. 142 In the Pacific, where volcanos and coral reefs are both abundant.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 743 Some of the Madreporaria descend to great depths..The majority form the well-known coral reefs.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2018).
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