“perch”的概念、定义、翻译、参考文献-科学参考

单词	perch
释义	perch [pǝrch] ^MECHANICS 1. Also known as pole; rod. 2. A unit of length, equal to 5.5 yards, or 16.5 feet, or 5.0292 meters. 3. A unit of area, equal to 30.25 square yards, or 272.25 square feet, or 25.29285264 square meters. ^NAVIGATION A staff placed on top of a buoy, rock, or shoal as a mark for navigators; a ball or cage is sometimes placed at the top of the perch, as an identifying mark. ^{VERTEBRATE ZOOLOGY} 1. Any member of the family Percidae. 2. The common name for a number of unrelated species of fish belonging to the Centrarchidae, Anabantoidei, and Percopsiformes.
随便看	lathe lath frame lathing board Lathridiidae lathyrism laticifer latiferous Latimeridae Latin square latite latitude latitude effect latitude factor latitude line latitude variation latosol latrappite latrine latrine cleaner latten lattice lattice constant lattice defect lattice drainage pattern lattice dynamics

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