足迹 zújì HSK7 footprint Origin Definitions Defs Strokes Stroke Words Sentences Sents 生态足迹 shēngtàizújì ecological footprint The measure of human demand on nature, representing the amount of land and water area needed to support a person or population.碳足迹 tànzújì carbon footprint the amount of carbon dioxide emissions associated with a person, organization, or activity