二次汙染 èrcìwūrǎn secondary pollution Definitions Defs Origin Strokes Stroke Words Sentences Sents 二次污染 二次汙染 èrcìwūrǎn secondary pollution pollution caused by primary pollutants undergoing physical, chemical, or biological changes to form new harmful substances; also known as 次生污染 cìshēngwūrǎn or 二次公害 èrcìgōnghài Cross-References Same as 次生污染 cìshēngwūrǎn二次公害 èrcìgōnghài
二次污染 二次汙染 èrcìwūrǎn secondary pollution pollution caused by primary pollutants undergoing physical, chemical, or biological changes to form new harmful substances; also known as 次生污染 cìshēngwūrǎn or 二次公害 èrcìgōnghài Cross-References Same as 次生污染 cìshēngwūrǎn二次公害 èrcìgōnghài
