... 干旱指数：drought index 干旱引起的火灾：drought fire 干旱区域：arid region ...
双语例句
1
Once an oak tree becomes established, it is likely to survive minor cycles of drought and even fire.
一棵橡树一旦长成，就有可能在干旱甚至火灾的小周期中存活下来。
2
That's only a small share of the total acreage that could benefit, about half a million acres in all, so it will be vital to prioritize areas at greatest risk of fire or drought.
这只是受益总面积的一小部分，共约50万英亩，所以优先考虑火灾或干旱风险最大的地区是至关重要的。
3
Drought, fire, pathogenic fungi and introduced predators have put it in immediate danger of extinction.