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- 污染对这一物种的继续生存造成了威胁。
Pollution poses a threat to the continued existence of this species.
- 水源污染已经达到危及居民健康的程度。
Pollution of the water supply reached a level pernicious to the health of the population.
- 油轮沉没了，石油污染了海面。
The tanker sank and the oil polluted the sea.
- 因为污染严重，许多美丽的鱼类正在面临绝种。
Many beautiful fish are fast disappearing because of the severe pollution.
- 很多年轻人不能抵制精神污染。
Many young people could not resist the spiritual pollution.
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