To reduce in grade or rank; deprive of honors, office, or dignity.

降格；降职；降级。

To lower physically or morally; reduce to dishonor, ignominy, etc.

使衰微；使堕落；使蒙羞。

To wear down by erosion.

剥蚀；腐蚀。

To pass from a higher grade or class to one lower.

降等；降格。

(Of a chemical compound) to undergo degradation.

【化】递降分解。