没有含lfy的单词，只有含ify的单词:
simplify， beautify， classify， purify
The old people in the mountains plant lindens to purify the forest .山区的老人种菩提树来净化树林。
Solubilization is required of any protein to be purified .增溶溶解对于任何要纯化的蛋白质都是必需的。
These metals may be purified by a technique called zone refining .这些金属可以用所谓“逐区提纯法”来提纯。
The pride of the body is a barrier against the gifts that purify the soul .肉体的骄傲是对纯洁灵魂的赏赐的阻碍。
One of the ways to purify water is to make it spew slowly from the soil .净化水的方法之一是让它从土中慢慢地渗出
For one thing， they simplify the design of a rocket engine .首先，它们可以简化火箭发动机的设计。
To simplify the exercise， the cost of land was not included .为了简化帐目，没有把土地费用考虑在内。
Recognition of this result enables us to simplify our calculations .意识到这个事实就能简化我们的计算。
We present a simplified illustration to show the flow of product costs .现举一个简例来表述产品成本流程。
Its details have not been understood even in simplified schemes .它的详情，甚至连它的简化的图象都不知道。
The complicated system maybe represented by a simplified conceptual model .简化的理想模型可代替复杂的系统。
To amplify this highly simplifiedexplanation， look at fig. 3-1 .为了补充说明这个高度简单化的解释参看3-1图。
This general expression can be simplifiedby making certain assumptions .可以作某些假定来简化这个一般表达式。
This choice of axes simplifies the analysis of the particular problem .这样选坐标轴，可使这个特殊问题的分析简化。
