柯林斯词典merchant navy (also merchant marine) 1. N the ships or crew engaged in a nation's commercial shipping 商船队伍 返回 merchant navy剑桥词典a country's ships that carry goods and are not used for military purposes 商船船队 During this period of the war , the merchant navies came under increased attack . 在战争的这个时期，商船船队受到越来越多的攻击。 He spent twenty years in the Merchant Navy. 他在商船上工作了二十年。 返回 merchant navy