| 1. | The external surface of culture vessel is, of course, subject to contamination .
培养器皿的外面当然是被污染的。 |
| 2. | In many cases inferior-quality, and often polluted, water supplies must be utilized to meet the demand .
在许多情况下，必须利用劣质以及常常是被污染的水源来满足需要。 |
| 3. | Who wants to surf that toxic - waste dump anyways
谁愿意去冲那些肮脏的被污染的水？ |
| 4. | . . . untainted . an exact duplicate of the original virus
. . .没有被污染的一个原始病毒的真正复本 |
| 5. | The polluted air becomes poisonous and dangerous to health
被污染的空气具有毒性，并且危害健康。 |
| 6. | Polluted air hangs over the city
城市上空被污染的空气所笼罩。 |
| 7. | Scientists think that the arctic is endangered by pollution
科学家们认为北极面临着被污染的危险。 |
| 8. | And how is the defiled mind cleansed through the proper technique
如何藉适当的技能，净化被污染的心 |
| 9. | It is the cleansing of the defiled mind through the proper technique
它是藉适当的技能，净化被污染的心。 |
| 10. | People and animals will also die if they keep on drinking this polluted water
人畜长期饮用这些被污染的水也会死去。 |
