1、burn up
烧毁；烧光
The satellite re-entered the atmosphere and burned up.
卫星重新进入大气层，烧成灰烬。
Fires have burned up 180,000 acres of timber.
大火烧光了18万英亩的木材。
消耗；耗费
Brisk walking burns up more calories than slow jogging.
快走比慢跑能消耗更多的热量。
2、contribute
(为…)做贡献
The three sons also contribute to the family business.
这3个儿子也为家族事业做出了贡献。
I believe that each of us can contribute to the future of the world.
我相信我们每一个人都能够对世界的未来有所贡献。
捐献;捐助;援助
The US is contributing $4 billion in loans, credits and grants.
美国将提供40亿美元的信贷和赠款。
They say they would like to contribute more to charity, but money is tight this year.
他们说他们很想捐献更多的钱支持慈善事业，但是今年的钱非常紧张。
促成;促使；是导致…的原因之一
The report says design faults in both the vessels contributed to the tragedy.
报告说两艘船存在的设计缺陷也促成了这场悲剧的发生。
Stress, both human and mechanical, may also be a contributing factor.
来自人的和机械方面的压力可能也是一个因素。