我的母亲常鼓励我做有用的人。
暂时，我必须做有用事改进我的讲话的英语。
For now, I must do something helpful to improve my spoken English.
木匠——寻求做有用的工作并能把它完成得很好。
The carpenter — seeks to do useful work, and finish it well.
没有健康的体魄，你肯定不能集中精力做有用的事。
Without a good healthy body, it is impossible to concentrate your mind on something productive.
就是做事要有毅力，做有用的事情，乐于帮助别人。
My ideal is to contribute my effort for the happy life of human beings?
虽然我能t做有用事，但我认为我应该与他们分享工作。
Although I can't do something useful, but I think I should share the work with them.
上下文切换的时间开销较重；在切换时，系统没有做有用的工作。
Context-switch time is overhead; the system does no useful work while switching.
我的做有用之事，说无畏之言，思美好之物：这对人的一生足够了。
To do the useful thing, to say the courageous thing, to contemplate the beautiful thing: that's enough for one man's life.
几种狗的一种，开发或培养来做有用的工作，如看守畜群、拉车或雪撬，或看守财产。
Any of various breeds of dogs developed or trained to do useful work, such as herding animals, pulling wagons or sleds, or guarding property.
机器是由一个或一个以上的机构组成，用来做有用的功或完成机械能与其他形式的能量之间的转换。
The machine is composed of one or more than one structure, which is used for doing the effective work or completing the energy transfer between mechanical energy and energy in other forms.
为了利用Twitter 4 J(更确切地说是Twitter)做有用的事情，需要在Twitter上创建一个帐户，并且要追随一些人，以便制作好友的地理视图。
To do useful things with Twitter4J and indeed, Twitter, you'll need to create an account on Twitter. And you'll want to follow some people so you can make a geo-view of your friends.
这一部门能够以更有用的方式轻易地提供他们的数据，但他们选择不这样做。
The bureau could easily present their data in more useful ways, but they have chosen not to.
一旦法兰特及其同事觉得她们对打开哪个开关有更好的认识，她们就得找到在有用作物上如此做的最佳方法。
Once Farrant and her colleagues feel they have a better sense of which switches to throw, they will have to find the best way to do so in useful crops.
对于互不信任的同事来说，比起做任何有用的工作，他们需要花更多的时间去小心提防他人。
Colleagues who don't trust one another will need to spend more time watching their backs than doing any useful work.
在书上做标记是一项有用的技能，但重要的是要做对。
Marking a book is a useful skill, but it's important to do it right.
每一天，我们花时间用有用的东西来填满必要的任务瓶，比如赚钱、做家务、买食物和付账单。
Every day, we spend time filling the necessary tasks bottle with useful things, like making money, doing housework, buying food and paying bills.
如果你认为在书上做记号是有用的，你就得去买它们。
If you think it is useful to mark books, you will have to buy them.
我们发现学生做新的眼保健操更有用。
We find it more useful for students to do new eye exercises.
所有的观光点都提供了相当有用的信息，所以请大家尽可能多看资料。如果你想知道你记住了什么，请在观光结束后做测试。
At all the attractions there is helpful information, so please read as much as you can, and if you want to see what you've remembered, please do the quiz after your visit.
没什么有用的事可以做。
因此，只将它们编译（“准备”）一次，然后在每次执行时只传递谓词的字面值，这样做很有用。
Thus, it's useful to compile ("prepare") them just once and only pass predicate literal values for each execution.
如果需要编写根据XML和非xml列的值过滤数据的查询，那么这样做很有用。
Doing so can be useful if you need to write queries that filter data based on XML and non-XML column values.
首先我要介绍的是如何定义变量，因为这个很容易做但是相当有用。
The first thing I'd like to cover is how to export variables, since it's a useful thing to know, and pretty easy to do.
用DiggAPI可以做很多有用的事情。
为什么不让你的应用程序手机在充电时也做点有用的事呢？
Why not let your app phone do something useful while it's charging?
这样做将是十分有用的练习，并且对失控递归非常有用。
Doing so would be a useful exercise, and a helpful lesson in runaway recursion.
如果需要在模板中控制特定对象引用的可见性和可用性，这样做非常有用。
This can be quite useful when you want to control the visibility or availability of certain object references in templates.
人们总是想试探社会化软件的边缘用途，看能不能用它们做点有用的事情。
People test the boundaries of all social tools, finding every which way to bend them to do something useful.
人们总是想试探社会化软件的边缘用途，看能不能用它们做点有用的事情。
People test the boundaries of all social tools, finding every which way to bend them to do something useful.
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