1PHRASAL VERB-ERG 烧毁;烧光 If something burns up or if fire burns it up, it is completely destroyed by fire or strong heat. 烧毁;烧光 [Also VERB n PREPOSITION]
The satellite re-entered the atmosphere and burned up. [VERBPREP.]
卫星重新进入大气层,烧成灰烬。
Fires have burned up 180,000 acres of timber. [VERBPREP. noun]
大火烧光了18万英亩的木材。
2PHRASAL VERB 消耗;耗费 If something burns up fuel or energy, it uses it. 消耗;耗费 [Also VERB n PREPOSITION]
Brisk walking burns up more calories than slow jogging. [VERBPREP. noun]