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| 1. | bore a tunnel through a mountain |
| 开凿穿山隧道. |
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| 2. | man-made cavern |
| 人工开凿山洞 |
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| 3. | Cut a trench. |
| 开凿沟渠 |
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| 4. | They holed a tunnel through the mountains. |
| 他们开凿了一条隧道穿过大山。 |
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| 5. | They are digging a tunnel through the mountain for the new railway. |
| 他们在为新铁路开凿一条通山隧道。 |
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| 6. | A tunnel has been bored through the mountain. |
| 开凿了一条穿山隧道。 |
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| 7. | Is a tunnel being dug there ? |
| 一条隧道正在那里开凿是吗? |
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| 8. | shaft deepening |
| 立井开凿 |
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| 9. | to dig; to cut; to bore; to excavate |
| 开凿 |
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| 10. | Tunnels are being cut through mountains. |
| 正在穿山开凿隧道。 |
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