| 1. | The walls of the craters are terraced .
坑穴四壁是成阶地的。 |
| 2. | Most of the crater is formed by ejection .
大多数的弹坑是由于把泥土抛出而形成的。 |
| 3. | The depth of the crater is expected to be about 30 feet .
弹坑的深度预计约于30英尺。 |
| 4. | As a result, the craters will become shallower and broader .
结果，弹坑会变得比较宽和比较浅。 |
| 5. | The patient may show an actual crater deforming indication of active disease .
病人可以出现表现活动病变的真正龛影变形。 |
| 6. | If the lava sinks back into its chimney, a crater is left at the top of the mountain .
如果熔岩沉入这个通道，山顶就会留下一个火山口。 |
| 7. | Tropical plants, sandy desert, waterfalls, craters and caves make a tourist attraction .
热带植物、沙漠、瀑布、火山口与洞穴吸引了游客。 |
| 8. | The lunar highlands are scarred by innumerable craters ranging up to 236 km in diameter .
在月球的高地上留下无数环形山，有的直径达236千米。 |
| 9. | Because of the mass displacement of material from the earth's surface, a crater is formed .
由于在地面上掀起了大量的物质，因此留下一个弹坑。 |
| 10. | There is no giant crater and no deposits have been found reflecting a huge tidal wave .
没有找到巨大的陨石坑，也未发现能反映特大潮汐波的沉积物。 |
