Are the trees and water useful?
树木和水有用吗？
They can walk on water, a useful trick should they wish to visit the mainland.
他们能行于水上，如果他们在大陆游历，这将是很有用的一项技能。
水是有用的。
In our daily life water has many useful ways.
在我们的日常生活中水有很多有用的方法。
Water is useful and is important to us.
水是有益的，对我们来说是很重要的。
Water is very useful in our daily life.
水在我们的日常生活中是非常有用的。
This is useful for placing water also.
这是非常有用的放置水也。
Soap and water is also useful in the medical treatment.
肥皂水在医疗方面也是有用的。
Water water, I can wash, water is useful.
水能洗，水是非常有用的。
Useful Way Father: Jack, why do you drink so much water?
有效的方法爸爸：杰克，你干嘛喝这么多水呀？
At last, it was given to how to realize a useful water-managing project.
然后在分析的基础上，总结出一条有用的水管理实施方案。
The method and its conclusion are useful for water quality modelling and decision making.
其方法和结论可供水质模式工作者和决策分析人员参考。
With toilet water, very useful.
用花露水，很有用的。
With toilet water, very useful.
用花露水，很有用的。
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