pollution of的用法和樣例：
例句
- Many people are concerned about the pollution of the environment.
許多人都關心環境污染問題。 - Pollution of the water supply reached a level pernicious to the health of the population.
水源污染已經達到危及居民健康的程度。 - We are sad about the pollution of our beaches with oil.
我們很痛心石油對我們海灘的污染。
