burning period

例句：

1. 1. During the burning period, the firefighters were working tirelessly to extinguish the flames.
   在燃烧期间，消防员们拼命工作以扑灭火焰。
2. 2. The burning period is crucial for the development of the ecosystem.
   燃烧期对于生态系统的发展至关重要。
3. 3. The burning period is also a time when we need to be careful and avoid unnecessary risks.
   燃烧期也是我们需要小心并避免不必要的风险的时候。