单词	learning difficulty
释义	learning difficulty学习困难
随便看	freight all kind rate freight all kinds freight all kinds {= fak} freight amount freight and demurrage freight and demurrage {= f. & d.} freight at destination freight at destination; freight at risk; freight payable at destination freight at risk freight at risk--freight at destination-- freight payable at destination freight basis freight bill freight bill 装货清单 freight boat freight broker freight car freight-car freightcar freight-car ferry boat freight car operation efficiency freight carrier freight cars freight charge freight charge--freight freight charges