短语词组短语unexploited land 未利用土地unexploited stock 未开发鱼群unexploited d 为开发的unexploited ȵ 为开发的previously unexploited 以前未开发的;以前尚未利用;以前未经开发unexploited E 为开发的unexploited coal 压煤 返回 unexploited