Because flammable material couldn't build up on the landscape, blazes tended to move slowly and peter out when they reached the footprints of previous burns.
由于可燃物无法在地表堆积，火灾往往蔓延缓慢，并在到达之前烧过的区域时逐渐减弱。
At Yosemite National Park, Martin oversaw the use of what is known as prescribed burns to make the landscape more resilient.
在约塞米蒂国家公园，马丁负责使用所谓的计划性燃烧，使景观更具韧性。
Research shows that these prescribed burns make subsequent wildfires less severe, even if later fires happen under the most dangerous weather conditions.
研究表明，即使后来的火灾发生在最危险的天气条件下，这些计划性燃烧也能减轻随后野火的严重程度。
the causes of previous burns.
先前烧伤的原因。
it is necessary to introduce prescribed burns.
有必要引入计划烧除。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。