Reading is a useful occupation to us.

阅读对我们是种有益的消遣。

The computer is useful in processing data.

电子计算机在处理资料有用。

He's a useful member of the team.

他是该队的名强手。

This chisel is useful for getting into awkward spaces.

这凿子在要伸入到犄角儿里时十分有用。

Each of the components is useful in its degree.

每个元件都各有程度不同的用处。

The minister has piloted several useful bills through Parliament.

这位部长设法使几项有用的法案得以在国通过。

A light pointer is often useful with a slide projector.

光指示器经常与幻灯片放映机起使用。

The computer is ever such a useful tool.

计算机是种非常有用的工具。

Side cutters are useful for cutting electrical flex to length.

切边钳适用于剪切电线。

Her lectures are very useful, but they’re dry as dust.

她讲的课有用，可是却乏味得要死。

Chemicals in the body break our food down into useful substances.

体中的化学元素把食物分解成有用的物质。

He made many useful social contacts while he was in Canada.

他在加拿大期间， 结识了许多有势力的社。

He dished up a lot of useful facts and figures.

他拿出了许多有用的事实和数据。

There is a useful bibliography at the end of each chapter.

在每章后附有份有用的参考书目。

A little money can be a useful buffer in time of need.

在急需时, 少点钱就能解燃眉之急。

Don't linger away your holidays.Try to find something useful to do.

不要虚度假日, 尽量找些有意义的事做。

It is possible to add a few useful refinements to the basic system.

对基本系统进行些有益的改良是可能的。

Adam raised the issue of multimedia applications and much useful discussion ensued.

亚当提出了多媒体应用的问题，从而引发了许多有益的讨论。

An unerring faculty for detecting hypocrisy is one of her most useful attributes.

能无误地看出伪善的能力是她身上最有用的特征之。

I don't think that the underpart barring is useful in the field.

个认为体下的横斑对野外辨识没什麽用。