A fish is a vertebrated animal that breathes by gills and can live only in water. 赫伯特·乔治·威尔斯.世界史纲.
Then, as the creature's legs appear and its tail is absorbed, it begins to use its lungs, and its gills dwindle and vanish. 赫伯特·乔治·威尔斯.世界史纲.
Every night it is said to pay a visit to the sea, no doubt for the purpose of moistening its gills. 佚名.神奇的知识之书.
His gills looks rum; don't they? 查尔斯·狄更斯.我们共同的朋友.
His gills'll look rummer when he wakes; won't they? 查尔斯·狄更斯.我们共同的朋友.
It was thought at first the creature was a whale, but later it was classified as a fish, for it breathed through gills of which there were five in number. 佚名.神奇的知识之书.
The young tadpole has branching external gills that wave in the water; then a gill cover grows back over them and forms a gill chamber. 赫伯特·乔治·威尔斯.世界史纲.
The gills of crustaceans, such as the crabs which run about in the air, are protected by the gill-cover extensions of the back shell or carapace. 赫伯特·乔治·威尔斯.世界史纲.
Passed it up through his gills into his mouth. 马克·吐温.傻子出国记.
During the rainy season these fish swim about and breathe by gills like any other fish. 赫伯特·乔治·威尔斯.世界史纲.