- 相关词组
- ammonia nitrogen氨氮;氨基氮;氨态氮;氨型氮;
- amino nitrogen氨基氮
- total nitrogen总氮;
- amide nitrogen酰胺（态）氮
- nitrogen cycle氮循环;
- Nitrogen Mustard氮芥;
- heterocyclic nitrogen compounds杂环氮化物
- heterocyclic nitrogen compound杂环氮化(合)物
- nitrogen trichloride三氯化氮
- dissolved nitrogen溶解氮;
- nitrogen dioxide二氧化氮;
- liquid nitrogen液氮，液化氮，液态氮;
- metabolic fecal nitrogen代谢粪中氮
- ammoniacal nitrogen氨态氮
- nitrogen fixationn.固氮（作用）;
- nitrogen fertilizer氮肥（料）;
- high nitrogen oil高氮石油
- various nitrogen carriers不同氮载体
- bridgehead nitrogen[化] 桥头氮;
- nitrogen content含氮量;
- 今日热词
- 热门搜索
- maple n.枫树;槭树;槭木淡棕色;
- kill vt.& vi. 杀死…;vt. 使停止[结束，失败];破坏，减弱，抵消;使痛苦，使受折磨;使笑得前仰后合，使笑死了;
- cork n.软木（塞）;v.用软木塞封（瓶）;
- web n.蜘蛛网，网状物;[机]万维网;织物;圈套;
- punctuate vt.加标点符号;不时打断;加强，强调;vt.不时打断某事物;使用标点符号;
- electronic adj.电子的;电子设备的;
- divorce n.离婚;分离;v.与（某人）离婚;使分离，使脱离;
- big mom 毕古麻姆
- i will always love you 永远爱你;我将永远爱着你;
- duty n.责任;职务，职责;上班;税;
- giraffe n.长颈鹿;
- a star is born 一个明星的诞生
