死绝

例句：

1. 1. The population of the city has been declining for decades.
   这个城市的人口几十年来一直在减少。
2. 2. The species is now on the brink of extinction.
   这个物种现在正濒临灭绝。
3. 3. The forest was completely destroyed by the fire.
   森林被大火彻底摧毁了。