1.contribute to 做贡献

例句：Both systems contribute to the decentralization of power.
这两套体制都有助于权力的分散。

2.focuse on 引入

例句：With the rapid developing of the China market, more and more silicone supplier focuse on China.
随着中国大陆市场的迅速发展，越来越多的有机硅供应商关注大陆市场。
3.adjust to 调整
例句：They power a blade in the water that the pilot can adjust to reduce drag.
他们在水中为一个划片供能，因此驾驶者可以调整以降低拖力。

4.adequate to 适于

例句：This unscientific protocol is perfectly adequate to keep most of us functioning fine through the summer.
对于大多数人，这种并不够科学的方法已经足够我们顺利度过夏天了。