他们还调查了37个国家823个热带和亚热带森林保护区的火灾发生情况。

They looked at the occurrence of fires in 823 tropical and subtropical forest reserves in 37 countries.

youdao

他们还调查了37个国家823个热带和亚热带森林保护区的火灾发生情况。

They looked at the occurrence of fires in 823 tropical and subtropical forest reserves in 37 countries.

youdao