A white, highly soluble, crystalline substance, one of the final products of oxidation of the nitrogenous compounds of the body, found abundantly in the urine of mammals.

尿素。

Synthetic powdered form of this substance, used as a fertilizer, in medicine, and in the manufacture of plastics.

粉状尿素结晶(用于肥料、药品以及塑胶的制作)。