磷酸钠 línsuānnà sodium phosphate Origin Definitions Defs Strokes Stroke Words Sentences Sents 磷酸 línsuān phosphoric acid an inorganic acid used for making fertilizers, dyes, medicines, and fireworks; it appears as colorless crystals or a thick liquid and is easily dissolved by water in the air钠 鈉 nà noun sodium sodium; natrium (chemical element Na)