| 1. | Many of the deposits are too small, too impure .
许多蕴藏量太小，质地太不纯。 |
| 2. | Pennsylvania sits on 35 billion tons of coal .
宾州煤的蕴藏量为三百五十亿吨。 |
| 3. | The arab nations and their allies in the middle east control 55 percent of the world's proved oil reserves .
阿拉伯各国以及他们的中东盟国拥有世界石油已知蕴藏量的55。 |
| 4. | Rather than being depleted, world oil reserves have continuously increased under the stimulus of increasing oil consumption .
在日益增长的石油消费刺激下，世界石油蕴藏量持续增加，而并非日见枯竭。 |
| 5. | Workmen cut huge blocks of granite from the walls of a quarry in vermont, a state which contains some of the nation's most extensive deposits of both granite and marble .
工人们在弗蒙特州一个采石矿的石壁上切出一块块花岗石，该州是美国花岗石及大理石蕴藏量最丰富的地区。 |
| 6. | Uranium is abundant in some parts of the world
铀在世界上某些地方的蕴藏量十分丰富。 |
| 7. | The area is abundant in petroleum deposits
这个地区石油蕴藏量丰富。 |
| 8. | Indonesia is abundant in petroleum deposits
印尼的石油蕴藏量丰富。 |
| 9. | Indonesia is abundant in petroleum deposits
印尼的石油蕴藏量丰富 |
| 10. | Lead is a naturally occurring heavy metal , and usually presents in very small amount in the environment
铅是一种天然的重金属，其蕴藏量并不多。 |
