英语词汇“gill cover”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

gill cover

gill cover n. (in bony fishes) the movable bony plate covering and protecting the gills (cf. operculum n. 1b).

ΚΠ

1769 T. Pennant Brit. Zool. (new ed.) III. iv. 211 The edges of the gill-covers serrated.

1872 H. A. Nicholson Man. Palæontol. 310 The only portions of the skull which require special mention are the bones which form the gill-cover or operculum.

1966 A. Maar et al. Fish Culture in Central E. Afr. viii. 135 Anyone looking at fish in an aquarium will notice that the gill covers open and close in a regular rhythm.

2006 Nature 6 Apr. 748/2 The tetrapod middle ear has arisen as a modification of the fish spiracle (a small gill slit) and hyomandibula (a bone supporting the gill cover).

extracted from gilln.¹

as lemmas

单词	gill cover
释义	> as lemmas gill cover gill cover n. (in bony fishes) the movable bony plate covering and protecting the gills (cf. operculum n. 1b). ΚΠ 1769 T. Pennant Brit. Zool. (new ed.) III. iv. 211 The edges of the gill-covers serrated. 1872 H. A. Nicholson Man. Palæontol. 310 The only portions of the skull which require special mention are the bones which form the gill-cover or operculum. 1966 A. Maar et al. Fish Culture in Central E. Afr. viii. 135 Anyone looking at fish in an aquarium will notice that the gill covers open and close in a regular rhythm. 2006 Nature 6 Apr. 748/2 The tetrapod middle ear has arisen as a modification of the fish spiracle (a small gill slit) and hyomandibula (a bone supporting the gill cover). extracted from gilln.¹ < as lemmas
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