单词	ammonia nitrogen
释义	ammonia nitrogen noun : nitrogen combined in the form of ammonia or ammonium Word History First Known Use 1883, in the meaning defined above
随便看	systemic risk systemically systemiccer systemiccest systemicer systemicest systemics systemisation systemisations systemise systemised systemiser systemisers systemises systemising systemist systemization systemizations systemize systemized systemizers systemizes systemizing systemless systems

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。