outboard motor
noun [ C ] uk/ˌaʊt.bɔːd ˈməʊ.tər/ us/ˌaʊt.bɔːrd ˈmoʊ.t̬ɚ/ (also outboard)
（小船挂于尾部的）舷外发动机
a motor with a propeller, designed to be attached to the back of a small boat
尾挂机船
a boat with an outboard motor
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