This had once been the greatest port in the world, now it was a graveyard of rusting cranes.这里一度是全球最大的港口，现在堆满了锈迹斑斑的吊车。Zinc can be used to cover other metals to stop them rusting.锌可用来涂在其他金属表面以防锈.Even cars that were mechan...
Zinc can be used to cover other metals to stop them rusting.锌可用来涂在其他金属表面以防锈.I saw that rusting bulkheads and decaying decks had given way during the winter.我看见生锈的舱壁和朽坏的舱面已在冬季坍塌....an old car which had been rusting away f...