鳃盖孔 opercular aperture 鳃盖器；鳃盖 opercular apparatus; operculum; gill cover; gill flap 鳃室；鳃盖腔 opercular chamber; gill chamber ..
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Fish skin, fins and gill flap covered with white spots of the vesicle, all of the body was covered with white film.
鱼儿皮肤、鳍和鳃瓣上布满白色点状囊泡，鱼体覆盖一层白色薄膜。
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