useful to造句

例句与造句

1. this new dictionary is very useful to me .
   对我来说这本新词典很顶事。
2. it is useful to think classically .
   根据经典的观点来思考问题是有用的。
3. it is useful to have a convenient supermarket .
   附近有家超级市场实在方便。
4. i am glad you think i have been useful to her .
   你认为我帮了她的大忙，我很高兴。
5. it is very useful to use a miniature reflex camera .
   使用小型反光镜照相机很有用。
6. It's difficult to find useful to in a sentence. 用useful to造句挺难的
7. she found many different ways of being useful to him .
   她在许多别的事情上为他效过劳。
8. it is useful to partition a graph into its components .
   把一个图分解成它的分支，是很有益的。
9. it is useful to classify all these particles into two groups .
   把所有粒子分成两大类是适当的。
10. the canal has proved useful to the county in many ways .
    这条水渠给这个县带来的好处是多方面的。
11. the latter studies are extremely useful to the analyst .
    后者的这些研究对于分析工作者极为有用。
12. it will be useful to summarize the relevant gaussian formulae .
    有必要概括地讲一下有关的高斯公式。
13. two alternative systems are useful to avoid this stalemate .
    此时采用下列两种系统之一便可加以解决。
14. if the wind were contrary, they might be useful to us .
    假使碰到逆风的时候，它们还可以为我们服务哩。
15. it is useful to have checks against arithmetical errors .
    为防止算术计算中的错误，加以验算是有益的。
16. after they overcame their initial reserve, the two boys became useful to one another .
    这两个男孩打破了最初的隔阂后，成为互相的伙伴。
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