銨 ǎn ammonium Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 这种化肥的主要成分是硫酸铵。 zhè zhǒng huàféi de zhǔyào chéngfèn shì liúsuān ǎn. The main component of this fertilizer is ammonium sulfate. Source: Dong Chinese Dictionary