Williamson's spruce

例句：

1. 1.The Williamson's spruce is a rare and valuable species in the forest.
   威廉森松树是森林中一种稀有且珍贵的物种。
2. 2. The Williamson's spruce has been used for centuries in traditional medicine.
   威廉森松树在传统医学中被使用了几个世纪。
3. 3.The Williamson's spruce is known for its unique scent and beautiful foliage.
   威廉森松树以其独特的香气和美丽的叶子而闻名。