combustionKK [kəmˋbʌstʃən] /kəmˈbʌstʃən/发音名词1燃烧Incomplete combustion of fuel produces carbon monoxide and soot.燃料燃烧不完全会产生一氧化碳和煤灰。2内燃多用于复合词Most cars still run on internal combustion engines.大多数汽车仍然使用内燃机。3骚动、激动旧式The whole town was in a state of combustion after the verdict.判决出来后,全镇陷入一片骚动。用这个字练口说→