| 1. | This new dictionary is very useful to me .
对我来说这本新词典很顶事。 |
| 2. | I gave that very useful person to the world .
我向社会贡献了这个有用的人。 |
| 3. | It is very useful to use a miniature reflex camera .
使用小型反光镜照相机很有用。 |
| 4. | His wife is very useful at cooking .
他的妻子很会做菜。 |
| 5. | The frame is a very useful one .
那个框子还很有用。 |
| 6. | A very useful quantity is the half-time for the reaction .
一个很有用的量是反应的半衰期。 |
| 7. | This dictionary is very useful , only it is a bit costly .
这本词典很有用，只不过贵了些。 |
| 8. | But it was actually the automobile that made petroleum so very useful .
实际上使石油变成那么有用的是汽车。 |
| 9. | They have contributed with their modest means very useful results .
他们使用简单的工具，贡献了很有价值的结果。 |
| 10. | The only way i can ever repay you is by turning out a very useful citizen .
我只有成为一个有用的公民，才能报答你。 |
