nitrogen souree的用法和样例：
例句
- Peptone, a semidigested protein, is primarily a nitrogen source.
属于半分解蛋白质的蛋白冻基本上是一种氮源。 - This study is about carbon and nitrogen nutrient sources utilization.
摘要通过试验探讨茶树菇对碳源和氮源的利用。
nitrogen souree的相关资料：
临近单词
nitrogen lag
nitrogen
nitrogen and phosphorus rate
nitrogen and phosphorus load
nitrogen-fixation bacteria
Nitrogen application pattern
nitrogen containing compound
nitrogenated flame retardant
nitrogen liberating compound
nitrogen fertilizer industry
Nitrogen fertilizer strategy
nitrogen and phosphorus loss
