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单词 gill pouches
释义

gill1 /gil/

noun
  1. A membranous organ for breathing in water, usu in the form of a thin platelike or branched filamentous structure (zoology)
  2. The wattle below the bill of a fowl
  3. One of the radiating plates on the underside of the cap of a mushroom or toadstool
  4. A projecting rib of a heating surface
  5. The flesh round a person's jaw, as in green or white round the gills (ie sickly-looking)
transitive verb
  1. To gut (fish)
  2. To catch (fish) by the gills in a net
ORIGIN: Cf Dan giælle; Swed gäl

gill arch noun

(in fish) the incomplete jointed skeletal ring supporting a single pair of gill slits

gill cover noun

A fold of skin, usu with bony plates, protecting the gills

gill net noun

A type of fishing-net in which fish are caught by their gills

gill pouch noun

One of a pair of outgrowths on the wall of the pharynx, found in cyclostomes and present at the embryonic stage in all vertebrates, developing, in fish, into openings (gill slits) containing the gills

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更新时间:2024/11/12 0:34:49