Chinese : 而且在很久以前种植者们就研制出了醋栗和松树可以抗松锈病的新品种。 English : And breeders had long ago developed new strains of currants and pines that were immune to blister rust.
Chinese : 这就是在文化上等价于铁锈的东西。 English : This is the cultural equivalent of rust.
Chinese : 经常擦油， 以免生锈。 English : Oil it regularly to prevent rust.