trapper

noun [具体名词]设陷阱捕兽者；捕捉器；[矿业] 矿井风门开关管理员

Then Clarence Birdseye, an American fur-trapper turned inventor, developed a system for freezing fish.
后来，由兽皮猎人转行的美国发明家克莱仁斯•伯兹艾，开发了一套冷冻鱼的设备。