| 释义 |
Definition of gill cover in English: gill covernoun A flap of skin protecting a fish's gills, typically stiffened by bony plates. Also called operculum Example sentencesExamples - Next, place two fingers just into the gill cover and slide the fingers forward until you reach the jaw bone.
- A similar species is the stargazer, which has two venomous spines, one each side behind the gill covers.
- The gill covers are also armoured with sharp edges that can draw blood if handled without care.
- The opercular series comprises each gill cover and generally consists of four bones.
- The gill cover and dorsal, pelvic, anal, and caudal fins possess large red blotches.
Definition of gill cover in US English: gill covernoun A flap of skin protecting a fish's gills, typically stiffened by bony plates. Also called operculum Example sentencesExamples - The gill covers are also armoured with sharp edges that can draw blood if handled without care.
- The gill cover and dorsal, pelvic, anal, and caudal fins possess large red blotches.
- Next, place two fingers just into the gill cover and slide the fingers forward until you reach the jaw bone.
- A similar species is the stargazer, which has two venomous spines, one each side behind the gill covers.
- The opercular series comprises each gill cover and generally consists of four bones.
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