11. | The roof of the tunnel fell in. |
| 隧道顶部塌了下来。
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12. | They had to worm their way through the narrow tunnel . |
| 他们得钻过狭窄的隧道。
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13. | The train emerged from the tunnel . |
| 火车从隧道中驶出来。
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14. | To build the tunnel we had to cut through the solid rock. |
| 为了修筑这条隧道我们得凿穿坚硬的岩石。
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15. | The roar of the train ( was ) reverberated in the tunnel . |
| 隧道中回响着火车的鸣声。
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16. | The tunnel runs through that mountain. |
| 隧道穿过那座大山。
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17. | They bored a tunnel through the hill with many tons of dynamite. |
| 他们用好多吨炸药凿开了一条穿山隧道。
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18. | Presently the train entered a tunnel . |
| 一会儿火车进入了隧道。
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19. | They are digging through the mountain to make a tunnel . |
| 他们正凿通这座山造一条隧道。
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20. | The tunnel caved in. |
| 那条隧道坍塌了。
|