動詞 pollute:

1. make impure
   同義詞：foul, contaminate

1. Every day the chimneys of factories pour a large volume of smoke to the air to pollute it.
   工廠的煙囪每天把大量的煙霧排放到空氣中去，造成空氣污染。
2. I feel it is our duty not to pollute our environment.
   我感覺我們有責(zé)任不污染我們的環(huán)境。
3. Many things pollute water, such as tires, trash, and plastic bags.
   很多東西使水污染，例如輪胎、垃圾和塑膠袋。
4. The river has been polluted by waste products from the factory.
   這條河已經(jīng)受到工廠排放的廢料的污染。

pol.lute

v.tr.（及物動詞）
pol.lut.ed,pol.lut.ing,pol.lutes
To make unfit for or harmful to living things, especially by the addition of waste matter.See Synonyms at contaminate
污染：使對活的生物不適宜或有害的，尤其是指通過廢物的增加參見 contaminate
To make less suitable for an activity, especially by the introduction of unwanted factors:
玷污：使不太適宜于某一活動，尤其指通過引進(jìn)不需要的因素：
例句：
The stadium lights polluted the sky around the observatory.
體育館的燈光使得天文臺周圍的天空不那么宜于觀測了

To render impure or morally harmful; corrupt.
腐敗，不潔：使變得不純潔或道德上有害的；敗壞
To make ceremonially impure; profane:
褻瀆：使在儀式上不純潔；褻瀆：
例句：
.Churches and altars were polluted by atrocious murders.(Edward Gibbon)
.教堂和圣壇被兇殘的謀殺褻瀆了.(愛德華·吉本)

來源：
Middle English polluten
中古英語 polluten
from Latin polluere pollôt-
源自 拉丁語 polluere pollôt-

【引伸】
pollut.er
n.（名詞）