单词operculum
n.: 【植】果盖;藓盖;【动】螺的厣;(鱼的)鳃盖骨
网络: 囊盖
【植物;植物学】果盖;藓盖;【动物;动物学】螺的厣;(鱼的)鳃盖骨;【昆】盖
鳃壳
〔动〕鳃盖骨;〔植〕蒴盖
孔盖
卵盖
盖叶
囊盖
复数:opercula
The male shows elongated rays in its anal fin and yellow pearl organs on the jaws and opercula during breeding season.
雄鱼的臀鳍鳍条特长,交配季节两颌和鳃盖会长出黄色的珠星。