use to do中文什么意思

例句与用法

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1. He seemed to shrink into himself as he used to do .
   他看起来和过去一样，做什么事总是小心翼翼。
2. Many volunteers are used to doing difficult or important work .
   许多义务工作者惯于干艰巨而重要的工作。
3. Parents have to do much less for their children today than they used to do , and home has become much less of a workshop .
   今天做父母的不必象以往那样为他们的孩子做那么多事情了，而家庭已远远不象一个作坊了。
4. It tells us what is / are used to do an action
   它告诉我们什麽被使用去做一个动作。
5. Computers can be used to do a lot of work nowadays
   如今计算机可用来做许多事。