1、vanish
消失;失踪;突然不见
He just vanished and was never seen again.
他就这么消失了,再也没人见到过他。
The aircraft vanished without trace.
飞机消失得无影无踪。
(物种)灭绝;(传统)消亡
Near the end of Devonian times, thirty percent of all animal life vanished.
在泥盆纪末期,30%的动物物种都灭绝了。
all the species of birds that had vanished from Iowa.
艾奥瓦州所有消失了的鸟类物种
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 contributing4 billion dollars 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。











