| 1. | Their small potato patches are scratched with heroic industry in the hard rock .
那小块小块的马铃薯地是居民们以超人的勤劳从硬石头缝里刨出来的。 |
| 2. | These are useful in hard rock mining where high brisance, high shattering effects, are desired .
这种炸药，对需要高威力、高破碎效应的坚硬岩石矿，是有用的。 |
| 3. | The scranton flap was put behind us, but the hard rock of the middle east impasse remained .
斯克兰顿闯的这场乱子是过去了，但是，中东僵局象一块坚硬的岩石屹立未动。 |
| 4. | It may be gouge of finely comminuted rock material with perhaps large blocks of the harder rocks embedded in it .
可能是磨碎的岩层物质组成的断层流，并夹杂一些大块坚硬岩石。 |
| 5. | Lately they have been getting into hard rock
近来他们一直热衷于演奏硬派摇滚。 |
| 6. | Under the crust are many layers of hard rock
在地壳的下面是许许多多坚硬的岩石层。 |
| 7. | He invested in a restaurant called the hard rock cafe
他投资开了家餐馆名叫硬石西餐厅 |
| 8. | Water dropping day by day wears the hardest rock away
水滴天天滴不停，石头最坚也磨损。 |
| 9. | Blasting technique of hard rock in airshaft
新集风井坚硬岩石爆破技术 |
