useful

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. It is usually a good idea to run your application under time first to determine if gprof is likely to yield useful information.
   首先使用time来运行程序从而判断gprof是否能产生有用信息是个好主意。

2. Besides, he may be socked for damages if he omits a test that a lawyer subsequently convinces a jury might have been useful.
   其次，如果他漏了哪一项，可能成为今后律师说服陪审团的有力武器，使得他要赔款。

3. For banks, velocity of equity -- how much revenue is generated per dollar of equity -- is a useful measure.
   对银行来说，资产周转率--每一美元的资产带来多少收入--这是一个有用的度量。

4. 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。

5. Light of this strength can be very useful and has already found many different applications in science.
   这种高强度的光非常有用，并已在科学上有多种不同的用途。

6. The intent of this chapter is to provide an introduction to the online tools that are both easy to use and useful.
   这一章的意图是提供容易使用和有用的在线工具的一个介绍。

7. If possible it is often useful to have a schematic of the serial port of each device in a system.
   如果可能，掌握各个设备串口的原理图是很有用的。

8. To get an idea of when virtual cubes might be useful for your application, a few scenarios are detailed in this section.
   为了帮助您了解虚拟数据集是否对您的应用程序有帮助，我们在这个小节中详细介绍几个场景。

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相关单词

usherusualusageuseuseduselessusually