wood species

例句：

1. 1.The forest contains a variety of wood species.
   森林里有多种木材种类。
2. 2. Different species of trees require different types of wood.
   不同种类的树木需要不同类型的木材。
3. 3. The local government is trying to preserve the unique wood species in the area.
   当地政府正试图保护该地区独特的木材种类。