短句听写:树木不断死亡_短句

短句听写
hints:
Africa
Sahel

A lot of trees are dying in Africa's Sahel region, and a new study says climate change caused by humans is to blame.

在非洲撒赫勒地区，很多树木正在不断死亡，最新研究表明，导致树木死亡的真正原因是气候变化。