Today pollution is a very serious international problem. Almost everything is polluted in the world.
今天，污染是一个非常严重的国际问题，世界上几乎所有的东西都被污染了。
The silent snow fell on the polluted ground, making everything white. (Add adjectives).
寂静的雪落在染脏的地面上，让一切变得洁白。(添加形容词)。
The silent snow fell on the polluted ground, making everything white. (Add adjectives).
寂静的雪落在染脏的地面上，让一切变得洁白。(添加形容词)。
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