| 41. | She will have something to drink but she will not eat any solid food. |
| 她将喝些饮料，但不吃固体食物。
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| 42. | The further off this solid obstruction, the longer time will elapse for the return of the echo. |
| 固体障碍物越远。回声返回所用时间就越长。
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| 43. | Every solid object will reflect a sound, varying according to the size and nature of the object. |
| 任何固体者反射声音，反射的声音因物体的大小和性质的不同而不同。
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| 44. | If you are younger, and in a solid financial position, you may decide to take an aggressive approach -- but only if you're blessed with a sanguine disposition and won't suffer sleepless nights over share prices. |
| 如果你年轻一些，并且经济状况可靠，你可能会采取一种积极进取的方式 -- 你必须性格开朗，不会因股票价格的浮动而夜不能眠。
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| 45. | He gets the solid shape, as it were, inside his head-he thinks of it, whatever its size, as if he were holding it completely enclosed in the hollow of his hand. |
| 可以说，当他想像一个物体时，不管其大小如何，他脑子里得到的是一个立体的概念，就好像完全握在自己手心里一样。
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| 46. | He must, for example, perceive an egg as a simple single solid shape, quite apart from its significance as food, or from the literary idea that it will become a bird. |
| 以鸟蛋为例。观赏者必须感觉到它是一个单一的实体形态，而完全不靠它的食用意义或它会变成鸟这样的文字概念来感觉。
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| 47. | A charged particle moving through a gas or a solid produces ion pairs. |
| 带电粒子通过气体或固体就产生离子对。"
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| 48. | A cube is a regular solid . |
| 立方体是正多面体。
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| 49. | In our study, to lay a solid foundation is over and above everything. |
| 在我们的学习中，打下牢固的基础是最为重要的。
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| 50. | I am not a reader of novels, but of more solid books. |
| 我不爱读小说，而爱读一些更实在的书。
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