网站首页 汉语 德语 英语
Native ammonium oxalate, NH₄CO·CONH₄, an orthorhombic mineral occurring as colourless to yellowish-white lamellar masses in guano deposits.
Late 19th century; earliest use found in Charles Shepard (1804–1886). From ox- (in oxalo-) + amm- + -ite.
礼仪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。