柯林斯詞典sea captain (sea captains) 1. N-COUNT A sea captain is a person in command of a ship, usually a ship that carries goods for trade. (通常指商船的)船長 返回 sea captain劍橋詞典a person in charge of a ship , especially one used for trading rather than for military purposes （尤指商船的）船長 返回 sea captain