useful是什么意思_音标_用法_例句

简单释义：

adj. 有用的；有益的；实用的；有帮助的

网络 具利用价值；有用性；有效的

完整释义：

adj.

1.有用的,有益的,有效的,有帮助的
2.有用的,可资利用的;得力
3.重要
4.〔俚语〕值得称赞的,精通…的
5.优秀的
6.尽…的力量

例句：

1. The portion of an asset's cost expected to be recovered through sale or trade-in of the asset at the end of its useful life.
   是资产成本的一部分价值，这一部分价值等于预计在资产使用寿命结束，并将资产销售或处置后可以收回的金额。

2. It seems your tray stand has been very useful to you, but we are getting ready to leave now , and my wife needs her walker back.
   看上去盘子立起来对你很有用，但是我们马上就要准备走了，我太太需要把逐步车那回去了。

3. For the Bank's Monetary Policy Committee this is a useful peek at the state of the economy at the moment that it makes its decisions.
   通过这可以管窥经济状况，为英国央行的货币政策委员会（MonetaryPolicyCommittee）的决策提供有用的参考。

4. Using the blank trace template can be useful when a planned trace does not resemble the configurations of any of the predefined templates.
   当计划的跟踪与任何预定义模板的配置都不相符时，使用空跟踪模板会十分有用。

5. In fact, you may find it useful to set up the outline for your business plan and fill in the details as they become apparent to you.
   实际上，你可能会发现提前制定商业计划大纲，在事情发生后再补上细节问题的方法是很有效的。

6. Humans have evolved to the point where fingernails are not vital for survival, but there's no doubt that they're useful.
   而进化了的人类的指甲不仅对生存至关重要，而且无疑是非常有用的。

7. Seoul's chief nuclear negotiator Wi Sung-lac said the meeting had been "very constructive" and useful.
   首尔的核问题特使魏圣洛说会议很有建设性，很有成效。

8. This can be useful when debugging, if you want to pack away parts of the XML file that do not interest you at the moment.
   这在调试时很有用，如果对XML文件的某些部分不感兴趣，就可以将它们折叠起来。