3V-ERG (使)降解 In science, if a substance degrades or if something degrades it, it changes chemically and decays or separates into different substances. (使)降解 [technical]
This substance degrades rapidly in the soil. [VERB]
这种物质在土壤里会迅速降解。
...the ability of these enzymes to degrade cellulose. [VERB noun]