| 41. | I feel bound in honor to refuse. |
| 我感到在道义上应予拒绝。
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| 42. | The policy is bound to fail of its object. |
| 这项政策肯定达不到目的。
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| 43. | Your future is bound up with the fate of your motherland. |
| 你的前途同祖国的命运紧密相联。
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| 44. | We've only got to stand together, show a united front and we're bound to win. |
| 我们只要团结起来，建立统一阵线，就一定会胜利的。
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| 45. | The sense of humour is mysteriously bound up with national characteristics. |
| 幽默感与民族有着神秘莫测的联系。
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| 46. | I bound the base of the tree with sticky tape, making it impossible for the ants to reach the aphids. |
| 我用一条胶带把桃树底部包上，不让蚂蚁接近蚜虫。
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| 47. | But other suns, start as the astronomers call them, are bound to have planets like our own, and as is the number of stars in the universe is so vast, this possibility becomes virtual certainty. |
| 但是，其他的太阳，既天文学家所说的恒星，肯定会有像我们地球一样的行星。因为宇宙中恒星的数目极其庞大，所以存在着产生生命星球的这种可能性是肯定无疑的。
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| 48. | Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns, so vast is the number of planets, that intelligent life is bound to be a natural part of the universe. |
| 虽然在已经产生生命的某个地方，可能只有1%会发展成高度复杂有智力的生命形态，但是行星的数目是那么庞大，有智力的生命必然是宇宙的自然组成道听部分。
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| 49. | Although many people claim that, along with the rapidly economic development, the number of people who use bicycle are decreasing and bicycle is bound to die out. The information I've collected over the recent years leads me to believe that bicycle will continue to play extremely important roles in modern society. |
| 尽管许多人认为随着经济的高速发展，用自行车的人数会减少，自行车可能会消亡， 然而，这几年我收集的一些信息让我相信自行车仍然会继续在现代社会发挥极其重要的作用。
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| 50. | Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns, so vast is the number of planets that intelligent life is bound to be a natural part of the universe. |
| 虽然在某处已经开始的生命中可能仅有百分之一会发展成高度复杂、有智慧的型式, 但是行星的数目如此之多, 以致有智慧的生命一定是宇宙的一个天然组成部分。
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