| 1. | The golfer was two strokes up on his opponent ..
该高尔夫球选手胜对手两穴。 |
| 2. | Cavitation can be caused by a variety of reasons .
气穴可以由各种原因引起。 |
| 3. | The walls of the craters are terraced .
坑穴四壁是成阶地的。 |
| 4. | The cavers discovered a vast underground chamber .
探穴人发现了一个地下大洞穴。 |
| 5. | We had a bumpy flight because of air pocket .
我们的飞行甚为颠簸，因为遇到气穴。 |
| 6. | While doing this it usually keeps its tail in its burrow .
此时它经常将尾藏于穴中。 |
| 7. | Joe teed the ball up for the final hole .
乔把高尔夫球放在球座上准备打向最后的球穴。 |
| 8. | The intertidal beach unit contains some organism burrows .
潮间海滩单元含有一些生物潜穴。 |
| 9. | The beast retires to its shelter, and the bird flies to its nest .
走兽有穴可归，飞鸟有巢可住。 |
| 10. | He resolved at last to brave the lioness in her den .
最后，他决定斗胆到狮穴里去会会那只母狮子。 |
