网站首页 汉语 德语 英语
A white or reddish crystalline compound, C₆H₄(NH₂)₂, used as a photographic developer, for dyeing hair and fur, and in the manufacture of dyes.
Late 19th century; earliest use found in Journal of the Chemical Society.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。