the process of burning 燃烧 Poisonous gases are produced during fossil fuel combustion. 化石燃料在燃烧过程中会产生有毒气体。
- (specialist)
a chemical process in which substances combine with the oxygen in the air to produce heat and light （快速）氧化 The ratio must be correct in order to achieve complete combustion. 该比率必须正确才能完全燃烧。
Word Originlate Middle English: from late Latin combustio(n-), from Latin comburere ‘burn up’.