单词tramp steamer
un.: 不定期货船网络: 不定期轮船；不定期航行的货船；不定线货船
不定期货船
Often it took the ships that few its flag years to cover a distance which a modern tramp steamer accomplishes in a couple of days.
它经常花费它的船只几个旗年来航行一段距离，这只要一个现代的漂流者花上几天的时间。