For some people, this is a defined pile of cash to burn through, for others it is a period of time you set aside to see if your business will work.

对于一些人来说，这是一堆注定要烧的现金；对于另外一些人，这是你留出来观察你的业务是否有效的时期。

youdao

With using some simplified heat-transfer & combustion model, the burn-out time and the stay-time(one times through furnace) of a single coal particle in the furnace of CFB were also calculated.

根据流体动力学理论分析了颗粒径与流化速度的关系，通过利用或建立简单的传热与燃烧模型，定量计算了不同粒径无烟煤颗粒的燃尽时间和一次通过炉膛时的停留时间。

youdao

The report also examines the possibility that it could have been space junk burning up on re-entry -- citing the Satview website, which notes that an object from orbit was due to burn through Earth's atmosphere at around that time.

CNN: Fireball lights up sky over Bangkok