pollutantKK [pəˈlutənt] ｜ /pəˈlutənt/
GEPT 中高級
C1noun
A substance or object that causes pollution.
The factory released chemicals into the river, making it a significant pollutant and harming the aquatic life.
污染物；污染源
C1noun
Waste matter that contaminates the water, air, or soil.
The industrial factory dumped toxic chemicals into the river, causing a significant increase in the pollutant levels and posing a threat to aquatic life.
廢棄污染物；有害物質