那些绿色的树木防止荒漠化，使空气更清新，保护人们免受烈日的暴晒。

Those green trees prevent desertification, make the air cleaner and protect people from the hot sun.

youdao

那些绿色的树木防止荒漠化，使空气更清新，保护人们免受烈日的暴晒。

Those green trees prevent desertification, make the air cleaner and protect people from the hot sun.

youdao