碳减排 tànjiǎnpái carbon emission reduction Origin Definitions Defs Strokes Stroke Words Sentences Sents 碳 tàn noun carbon nonmetallic element (C); the essential component of organic matter, existing in nature as diamond, graphite, and coal减排 減排 jiǎnpái to reduce emissions to reduce the discharge of pollutants such as exhaust gas or wastewater