火一旦被熄灭，草和灌木的生态系统就会很快恢复。

Once the fire is out, the grass and shrub ecosystems should return quickly.

youdao

所以我们正努力设法恢复这里的自然生态系统。

So now we're working to try to restore the natural system.

youdao

所以我们正努力设法恢复这里的自然生态系统。

So now we're working to try to restore the natural system.

youdao