用“merchant marine”造句大全,merchant marine造句 国语站 造句 3.2W 大中小设置文字大小 A person licensed in the merchant marine as master, mate, chief engineer, or assistant engineer.He sought an officer's berth in the merchant marine.Shipyards were opened to build fishing fleets and, in time, to build the basic merchant marine; TAG标签:造句 merchant marine #