1. Used formerly as a name for nitrogen. 
   氨氮这个名称的以前的用法
2. The key pollution indicators are ammonia nitrogen and BOD. 
   主要污染指标是氨氮和生化需氧量。
3. An enzyme of nitrogen-fixing bacteria that activates the conversion of nitrogen to ammonia. 
   定氮酶在固氮细菌中催化氮转化成氨的一种酶
4. A white powder, C12H18N2O3S, that lowers the level of sugar in the blood and is used in the treatment of diabetes. 
   甲磺氮草脲一种白色粉状物，符号c12h18n2o3s，能够降低血液中的含糖量，用来治疗糖尿病
5. any dye containing one or more azo groups. 
   含一个或多个偶氮基的染料。

查看更多例句 相关情景会话