| 41. | The train rumbled across the bridge . |
| 火车隆隆从桥上驶过。
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| 42. | A bridge is laid across the river. |
| 河上架起了一座桥。
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| 43. | A narrow bridge lay across the stream. |
| 小溪上有一座狭窄的小桥。
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| 44. | The bridge has been built to support very heavy loads. |
| 这座桥是为了让它承受重载而建造的。
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| 45. | Will you joins us in a walk [a game of bridge ]? |
| 你和我们一道去散散步［打桥牌］好吗？
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| 46. | The building of the bridge is in progress. |
| 桥梁正在建造中。
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| 47. | The old bridge is not strong enough to allow the passage of heavy vehicles. |
| 这座旧桥不够牢固，重型车辆不能从上面通过。
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| 48. | Blow up the bridge if it comes to the push. |
| 万不得已时就把桥炸毁。
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| 49. | I lost my concentration and nearly drove into a bridge . |
| 我一走神，差点把汽车撞到桥上。
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| 50. | The collapse of the old bridge forced the ferry back into operation. |
| 由于那座旧桥倒塌，不得不重新使用渡船。
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