有用 的英文翻译

usefulness

avail

subservience

subserviency

availability

be of use

有用 的中文句子和英文句子

约翰经常设法和对他有用的人结交。

John always tries to cultivate people who are useful to him.


有些小炊具非但没有用处反而碍事。

Some kitchen gadgets are more of a hindrance than a help.


在一单位长度内包含的有用信息单位数。通常用每英寸多少单位表示。

The number of units of useful information contained within a linear dimension, usually expressed in units per inch.


同他们争论是没有用的。

It's useless to argue with them.


这本参考书对我们的研究很有用。

This reference book is very useful to our study.


他这件带兜帽的夹克在今年冬天对他很有用。

His anorak has stood him in good stead this winter.


这种方法对你未必有用。

These tactics are unlikely to be helpful to you.


在学习一种新语言时，词典是非常有用的工具。

A dictionary is an invaluable aid in learning a new language.


对计算机编程有用的课程有：计算机学、系统设计与分析、FORTRAN编程学、PASCAL编程学、操作系统、系统管理。

Courses taken that would be useful for computer programming are: Computer science, systems design and analysis, FORTRAN programming, PASCAL programming, operating systems, systems management.


由于操作不熟练，机器给弄得没有用了。

The machine was rendered useless by unskillful handling.