pollute like: pollute → →
to cause the water to be polluted, pollute the water ☊ 
làm ô nhiễm nước ☊ breathe sth: Most people don't realize that they are breathing polluted air. ☊ breathe ☊
Breathing such polluted air is the equivalent of (= has the same effect as) smoking ten cigarettes a day. ☊ equivalent ☊