N-MASS Softwood is the wood from trees such as pines, that grow quickly and can be cut easily. 软木材
There are a lot of materials which can be used for making paper, but the superiority ones are soft wood, cotton and rags.
可以用来造纸的材料很多，但以软木、棉布和碎布为优。
Many of these are very specialized, but the preponderance of paper making has been from soft wood and cotton or rags, with the bulk being wood-based.
其中许多都是非常专业的，但造纸的优势是用软木材和棉花或破布，大部分是以木材为基础。
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