该河流受污染的程度其时正在降低。

The level of pollution in the river was falling.

《柯林斯英汉双解大词典》

受污染的水或多或少地影响着他们的健康。

The polluted water more or less influences their health.

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有一种极大的可能性就是那只猫吃了受污染的宠物食品而染上了病。

There is a strong possibility that the cat contracted the condition by eating contaminated pet food.

《柯林斯英汉双解大词典》

The thousand liveried angels - begin to cast their special beam on the virgin's outward shape -- that's her body, the unpolluted temple that houses her virginal mind.

一千个穿着衣服的天使,开始在处女的身体上投射他们神奇的光束-,那就是她的身体，那个装着无暇心灵的未受污染的殿堂。

耶鲁公开课 - 弥尔顿课程节选

The Elder Brother is explaining that these angels will: Begin to cast a beam on the outward shape, The unpolluted temple of the mind, And turns it by degrees to the soul's essence, Till all be made immortal.

大哥解释说，这些天使将会：,在身体上投射光束，在心里未受污染的殿堂上投射光束，把它变回灵魂的本质，直到全部人都变成不朽的人。

耶鲁公开课 - 弥尔顿课程节选