| 71. | He waded through the weeds on the bank and then into and across the stream . |
| 他费力地穿过崖上的杂草丛，然后涉过小河。
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| 72. | It was raining heavily and they found that a stream had formed in the field. |
| 雨下得很大，他们发现地上已经形成了一条小溪。
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| 73. | The stream wound its way across the field and then flowed right under their tent! |
| 那小溪弯弯曲曲穿过田野，然后正好从他们的帐篷底下流过去。
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| 74. | The trickle became a stream ; |
| 涓涓细流汇成小溪，
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| 75. | the stream has now become a torrent. |
| 小溪现已变成了奔腾的江河。
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| 76. | This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks. |
| 这个深邃的洞穴是由一条地下暗泉冲刷岩石中的缝隙并使之慢慢变大而形成的。
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| 77. | We tramped through the wood for over two hours until we arrived at a deep stream . |
| 我们在树林中跋涉了两个多小时，到了一条深溪边。
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| 78. | We could see that the path continued on the other side, but we had no idea how we could get across the stream . |
| 我们可以看到小路在深溪对岸继续向前伸展，但却不知如何越过这道深溪。
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| 79. | Turning back down the main street, we quickened our pace and made our way rapidly towards the stream where we hoped the boatman was waiting. |
| 便掉转身子，沿着那条主要街道加快步伐，快速地朝深溪边走去，希望船夫还在那儿等着我们。
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| 80. | The stream takes a sudden bend to the east. |
| 小溪突然转向东流。
|