森林学

例句：

1. 1. The forestrydepartment is responsible for managing the forest resources.
   林业部门负责管理森林资源。
2. 2. The forestry expert has studied the effects of deforestation on the environment.
   这位林业专家研究了毁林对环境的影响。
3. 3. Theforestry industry contributes significantly to theeconomy of many countries.
   林业行业为许多国家的经济发展做出了显著贡献。