| 1. | Earthworm channels greatly aid root growth . 蚯蚓洞穴极有助于植物根系生长。 |
| 2. | The cavers discovered a vast underground chamber . 探穴人发现了一个地下大洞穴。 |
| 3. | Then the talk switched off to caves and swimming . 接着谈话转到洞穴和游泳方面去了。 |
| 4. | The guide led us through the maze of caves ... 那个向导领我们穿过迷宫般的曲折洞穴。 |
| 5. | There were only faint indentations where the holes had been . 在洞穴处的脚迹依稀还看得见。 |
| 6. | The death of the speleologist is due to the infall of the cave . 这位洞穴学家之死是由于地洞的塌陷。 |
| 7. | He found a hole near the fireplace that i had not seen . 他在壁炉旁边发现了一个我没有注意到的洞穴。 |
| 8. | The entrance to the cave is on a plateau in the dauphine alps . 此洞穴的入口在多芬阿尔卑斯山的一个高原上。 |
| 9. | Aziz realized that he was keeping back something about the caves . 阿济兹听出来,他讲的关于洞穴的事有些保留。 |
| 10. | Was it a man , or a wild animal ? he hurried out into the daylight . 那是人还是兽?他赶紧出了洞穴,走到阳光底下。 |