| 单词 | hard coral | 
| 释义 | > as lemmashard coral   hard coral  n. any of numerous corals having a hard skeleton of calcium carbonate; (now) spec. those constituting the order  Scleractinia, typically found on coral reefs; also as a mass noun; cf. stony coral n. at stony adj. Compounds 3.Contrasted with soft coral n. at soft adj. Compounds 2c. ΚΠ 1822    W. J. Hort Introd. Nat. Hist. 146  				The most remarkable of the hard corals is the genus Gorgonia. 1935    Jrnl. Paleontol. 9 95/1  				Of present boreal-arctic characteristics may be mentioned:... Absence of hard corals and other reef builders. 2004    Dive Sept. 87/1  				A combination of illegal dynamite fishing, the 1997–98 El Niño and a crown-of-thorns infestation decimated the hard coral in the shallows. < as lemmas | 
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