He dished up a lot of useful facts and figures.

他拿出了许多有用的事实和。

The computer is ever such a useful tool.

算机是一种非常有用的工具。

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会通过。

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

在每一章后附有一份有用的参考书目。

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

人体中的化学元素把食物分解成有用的物质。

The horse is a useful animal.

马是有用的动物。

The cow is a useful animal.

奶牛是有用的动物。

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

能无误看出伪善的能力是她身上最有用的特征之一。

The proposed troop reductions were a useful bargaining counter in the disarmament talks.

裁减兵员的提议是这次裁军谈判中一个有用的讨价还价的筹码。

These are useful in hard rock mining where high brisance, high shattering effects, are desired.

这种炸药，对需要高威力、高破碎效应的坚硬岩石矿，是有用的。

Designing colleagues stopped them from promoting me.

有些别有用心的同事阻止他们提拔。

Shoemaking is a useful trade.

是一种有用的手艺。

That is a useful knife.

那是把有用的小刀。

It's a most useful invention.

这是一项极其有用的发明。

He mentioned a useful book.

他说出一本有用的书的名字。

As a novelist, I feel that any experience, good or bad, is grist to my mill.

作为一个小说家，觉得任何经历，无论好坏，对来说都是有用的。

This book is a useful guide to the do’s and don’ts of choosing and buying your first car.

这本书告诉你买第一辆车时有用的注意事项。

There isn’t a bottomless pit of money for public spending.

并非有用之不尽的钱用于公共开支。

On display are earrings, necklaces and bracelets made from jade, amber and amethyst.

展出的有用玉石、琥珀和紫水晶的耳环、项链和手镯。

Nevertheless, the flight was a success, and, just as Joseph Montgolfier had envisioned, balloons became useful for military purposes.

然而，试验飞行是成功的，而且，正如约瑟夫菲尔设想，气球成为有用的用于军事目的。