gill
US
UK gill n: usually plural (breathing organ of fish)
SC 鱼鳃 yú sāi
I was so close to the fish when I went snorkeling that I could see their gills moving.
gill n: UK (stream)
SC 溪流 xī liú
SC 小溪 xī liú，xiǎo xī
gill n: (on underside of mushroom)
SC 菌褶
The shape of a mushroom's gills can help with its identification.
gill net n: (fishing) (渔业)
SC 刺网
operculum, gill cover, plural: opercula, operculums n: (fish: covers gill) (鱼)
SC 鳃盖