pollution
UK/pә'lu:ʃәn/US
NGSL 3kIELTSTOEFLA1
Definitions
n.
The presence of harmful or poisonous substances in the environment
污染；环境中有害物质的存在
n.
The act of contaminating or making something dirty
污染（行为）；玷污
Root Breakdown
Root-derivedpol- (from por-, an old form of pro-, 'forth') + lut (a form of luere, 'to wash') + -ion (act/state) = 'a washing-over that defiles.' The noun of pollute: the state of being fouled by what flows into it.
Root lav still carries 19 more wordsCommon Collocations
- 1.air pollution空气污染
- 2.water pollution水污染
- 3.reduce pollution减少污染
- 4.pollution control污染控制
- 5.noise pollution噪音污染
Example Sentences
- 1.
Air pollution in the city has reached dangerous levels this winter.
- 2.
The factory was fined for causing serious water pollution.
- 3.
New laws aim to cut pollution from cars and trucks.