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- The fertility characteristic of hilly violet soil in Sichuan were-low content oforganic matter, abundant potassium and deficient nitrogen and phosphorus. 四川丘陵紫色土的肥力特点，是有机质含量低、富钾、缺氮、少磷。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- One that is physically or mentally deficient. 有缺陷的人身心不健全的人
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Deficient in quantity, fullness, or extent; scanty. 不足的，缺乏的在数量、程度或范围上缺乏的; 不足的
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- deficient nitrogen 缺氮
- The crops are suffering from deficient rain. 庄稼因雨量不足而遭受损害。
- His training in linguistics is deficient. 他在语言学方面受到的训练是有缺陷的。
- Our knowledge of the matter is deficient. 我们对此事了解不足。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Deficient in conviction or courage; timid. 胆小的，怯懦的缺乏勇气或决断的；胆怯的
- Deficient in emotional warmth; cold. 无人情味的，冷酷的缺乏感情上的热忱的；冷淡的
- Deficient in taste, delicacy, or refinement. 不优雅的，粗鲁的品味、格调或教养不高的
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- A mentally deficient person; an idiot. 白痴智力缺陷的人；傻瓜
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- A person of deficient intelligence. 傻瓜智力有缺陷的人
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
