savannah

1.pyrogenic factors affecting the fluctuation of the forest–savannah boundary.

导致与热带稀树原之间的交界处不稳定的高热因素。

2.It's another sweltering day in the savannah woodland of northern Australia and I'm sitting in the back of a dusty Landrover waiting to meet members of one of the country's most unusual military units.

澳大利亚北部丛的个炎热的夏日里，我部满是灰尘的越野车的后座上，等待着同这个国家最非同寻常的个组织的领导人见面。