any of several common freshwater catfishes of the United States 同义词：bullhead catfish,
freshwater sculpin with a large flattened bony-plated head with hornlike spines
例句与用法
1.
He started fishing as a young boy in the floyd river and they would catch blue , not blue gills , they would catch bullheads . now bullheads is a little tiny catfish that are about a quarter pound 他年轻时就开始在费洛河钓鱼，他们只会网到一些小鱼，那是只有四分一磅重的小猫鱼。
2.
The driving rollers are electroplated with hard cr , tension self - controlling of winding - rollers are applied to the driving unit . the barrel of extruder , bullhead tee and die adopt cast aluminum heater which is endurable 挤出机料筒三通和模头均采用铸铝加热，牵引辊筒电镀硬铬，轮链轮采用
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