| 1. | More expensive nitrating agents may be used . 还可应用较贵的硝化剂。 |
| 2. | She believed in expensive individuality . 她要保持她个人的奢华风格。 |
| 3. | Do not play about with my expensive tools ! 别乱摆弄我的昂贵的工具。 |
| 4. | The sofa was covered with expensive brocade . 沙发上铺上了华贵的织锦。 |
| 5. | This is a good system but quite expensive . 这种装置很好,但十分昂贵。 |
| 6. | Golly, isn't that frightfully expensive ? 哎哟,这是不是太破费了? |
| 7. | Air pollution control will be expensive . 控制空气污染是要费钱的。 |
| 8. | She chose the least expensive of the hotels . 她选了一家最便宜的旅馆。 |
| 9. | It is not so expensive as you might expect ... 那不像你料想的那么昂贵。 |
| 10. | This book is not more expensive than that one .. 这本书不比那本书更贵。 |