可生物降解的塑料是指在特定条件下（例如阳光，热量，湿气），可通过微生物的作用分解为水，二氧化碳和生物质的塑料。

Biodegradable plastics are plastics that can be decomposed by the action of microbes, into the water, carbon dioxide, and biomass under specified conditions, such as sunlight, heat, moisture.