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