A pair of oriental pied hornbills are renewing their partnership. 一对冠斑犀鸟重修旧好

9. how strange and complex
   森林实际上是多么的
10. forests actually are.
    奇特且复杂
11. The rainforest of Borneo.
    婆罗洲热带雨林
12. A pair of oriental pied hornbills are renewing their partnership.
    一对冠斑犀鸟重修旧好
13. They mate for life.
    它们一生相伴
14. And this year's nesting season is just starting.
    今年的筑巢季节才刚开始
15. Before they face the challenges ahead,
    在携手面对未来的挑战前

来自《行星地球 第三季 第五集 Planet Earth S03E05 森林》第 12 行