柯林斯詞典ammonium sulphate 1. N a white soluble crystalline solid used mainly as a fertilizer and in water purification. Formula: (NH4)2SO4 硫酸銨 返回 ammonium sulphate劍橋詞典a white substance often used as a fertilizer (= a substance that helps plants grow ) 硫酸銨（多用作肥料，促進(jìn)植物增長） 返回 ammonium sulphate