| 单词 | roundtail | 
| 释义 | > as lemmasroundtail   roundtail  n. a surfboard, snowboard, etc., with a rounded tail; the tail of such a board. ΚΠ 1968    Surfer Nov. 96 		(advt.)	  				Time to settle into a roundtail? Highly maneuverable, combining the best elements of the squaretail and the pintail. 1988    Skiing Sept. 140/3  				The swallow, or split, tail, which was great for powder riding but known to snap off on hardpack, has gone the way of the dodo, replaced by the more versatile round tail. 2003    Canberra Times 		(Nexis)	 6 Jan.  a9  				Its $60 replacement—a battered Midget Farrelly roundtail—was the sorriest looking excuse for a surfboard imaginable. 2007    N. Rompella Famous Firsts 38 		(caption)	  				The swallowtail..worked better in powder, while the roundtail was better for packed snow. roundtail   roundtail  n. 		 †(a) Scottish the sea trout,  Salmo trutta trutta (obsolete);		 (b) U.S. (more fully  roundtail chub) the cyprinid chub  Gila robusta, found in certain rivers in western North America;		 (c) a domesticated variety of the guppy,  Poecilia reticulata, having a rounded tail fin. ΚΠ 1803    Prize Ess. & Trans. Highland Soc. Scotl. 2 347  				In the Eriox [the tail] is truncated, and even a little rounded; for which reason it is known among our fishers by the name of the Round Tail. 1847    T. T. Stoddart Angler's Compan. 231  				The eriox or bull-trout..ascends Annan, where it is called a round-tail by the fishermen. 1896    Bull. U.S. National Mus. 47 227  				Gila Robusta... Round-tail. 1952    G. F. Hervey  & J. Hems Freshwater Trop. Aquarium Fishes 282  				Round-tail. The caudal fin is evenly rounded, almost circular. 1966    Southwestern Naturalist 11 317  				Gila robusta Baird and Girard, roundtail chub. This large minnow was taken..at Stations 5–7. 1995    Denver Post 9 Apr. (Post Mag.) 9/1  				Several native fish are gone—the Colorado squawfish, roundtail chub, bonytail chub and razorback sucker. 2001    Pract. Fishkeeping Feb. 16/3  				The common Guppy strains..are generally characterized by their colour and the type of tail... A few of the most common include fantail, veiltail,..and roundtail. < as lemmas | 
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