| 21. | The manufactureof this material is an outgrowth of the space industry. |
| 这种材料的生产是航天工业发展的结果。
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| 22. | The material has a warm, velvety touch. |
| 这料子摸着如天鹅绒般温暖柔软。
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| 23. | This material is warranted (to be) pure silk. |
| 这种料子保证是纯丝的。
|
| 24. | This material soils easily. |
| 这种料子不禁脏。
|
| 25. | This new material is a spin-off from the space industry. |
| 这种新材料是航天工业的副产品。
|
| 26. | This material has a lot of stretch in it. |
| 这种材料很有弹性。
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| 27. | The machine snarled the material up. |
| 机器把材料搅在一起了。
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| 28. | The material base of this country is comparatively solid. |
| 这个国家的物质基础比较稳固．
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| 29. | Out of the material thus accumulated he has built a book. |
| 利用这样积累起来的资料，他写成了一本书。
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| 30. | You will not be able to absorb the material in on reading. |
| 不可能只读一遍就能领会这材料的内容。
|