timber preservation

例句：

1. 1.Timber preservation is crucial for the survival of our forests.
   木材保护对我们森林的生存至关重要。
2. 2. The company's mission is to preserve and restore natural habitats.
   该公司的使命是保护和恢复自然栖息地。
3. 3.Timber preservation is a complex issue that requires careful management.
   木材保护是一个复杂的问题，需要谨慎管理。