pollution
英 [pə'luːʃ(ə)n]
美[pə'luʃən]
	    - n. 污染
 - 污染物
 
英英释意
- 1. undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
 
- 2. the state of being polluted
 
- 3. the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors