| 1. | The sides of the shaft were closing in ! 矿井四周正在崩塌下来! |
| 2. | Miners had to have some light in the dark mines . 矿工们在黑暗的矿井里工作必须要有亮光。 |
| 3. | Six men have been trapped in a mine for seventeen hours . 六个人困在矿井里已达十七个小时之久。 |
| 4. | Deep mining first blighted the west virginia landscape . 深挖矿井首先使弗吉尼亚州的风景遭到破坏。 |
| 5. | Tom's heart gave a great thump, and he ran like the wind to the shaft . 汤姆的心怦的一跳,像一阵风似地奔到矿井。 |
| 6. | If explosives are used , vibrations will cause the roof of the mine to collapse . 若是用炸药,震动会使矿井的顶部倒塌。 |
| 7. | A long time ago they laid the track into the valley, bored the mine shafts . 他们很久以前就把轨道辅进了山谷,打起了矿井。 |
| 8. | Here and there at long distances upon the canon sides rose the headframes of a mine . 峡谷两侧,一路过去,到处屹立着矿井井架。 |
| 9. | Explosions , though infrequent , are an occupational hazard for coal-miners . 矿井爆炸虽然不常发生,但却是煤矿工人职业中的危险。 |
| 10. | The lengths of the probes used in horizontal hole in potassium mines were up to 200m . 钾盐矿井水平巷道使用的探头长度达到200米。 |