Read Edit View history 尿素 niàosù urea Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 尿素 · niàosù · urea 2026/03/04 尿素 niàosù urea carbamide, a chemical compound (NH2)2CO found in mammals' urine and used industrially as a nitrogen-rich fertilizer 这种肥料的主要成分是尿素。 noun created sense Mar 4, 2026, 02:25 AM