71. | The diameter of the earth is about 7,926 miles. |
| 地球的直径约为7926英里。
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72. | The moon is distant from the earth . |
| 月球离地球很远。
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73. | The heated air drank up the moisture of the earth . |
| 干热的空气吸干了土地的水分。
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74. | Dinosaurs roamed the earth before the dawn of man. |
| 在有人类之前,地球是一个恐龙漫游的世界。
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75. | The earth seemed as dry as a bone. |
| 这地干得快冒烟了。
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76. | Coal miners have to work in the depth of the earth . |
| 煤矿工人得在地层深处干活。
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77. | The moon is a satellite of the earth . |
| 月亮是地球的卫星。
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78. | shake the earth away from the roots. |
| 抖掉根部的泥土.
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79. | The sun shines on [over] the earth . |
| 眼光普照大地。
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80. | The earth moves through space. |
| 地球在太空运行。
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