二氯异三聚氰酸钠èr lǜ yì sān jù qíng suān nàerluyisanjuqingsuannasodium dichloroisocyanurateCharacters in this word三three二two异different, strange, unusual氯chlorine氰cyanogen聚to assemble, to collect, to meet酸tart, sour钠sodium, natriumStudy it in Yanamino