单词 | gill opening |
释义 | > as lemmasgill opening gill opening n. an opening through which water passes into, over, or out of a gill. ΚΠ 1804 G. Shaw Gen. Zool. V. i. 99 Gill-openings very shallow and small. 1846 Mem. Amer. Acad. Arts & Sci. New Ser. 2 412 A broad scarlet-red stripe beneath the lateral line, extending from the gill-opening to the anal fin. 1931 E. G. Boulenger Fishes xvi. 139 The Toad Fishes (Batrachidæ) are small tropical and temperate fishes with broad, flat heads and reduced gill openings. 2001 D. Burnie Kingfisher Illustr. Dinosaur Encycl. 42/1 Jamoytius belonged to a group of fish called anaspids, which had over a dozen gill openings, arranged like port holes in the side of a ship. < as lemmas |
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