单词	trisulfonic acid
释义	trisulfonic acid noun tri·​sulfonic acid (¦)trī+…- : an acid containing three sulfonic acid groups Word History Etymology tri- + sulfonic
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英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。