Prescribed burning, fires set on purpose, is a common, if risky, method.

即是故意纵火，虽然涉及危险，却是常见的做法。

youdao

Prescribed burning, fires set on purpose, is a common, if risky, method.

即是故意纵火，虽然涉及危险，却是常见的做法。

youdao