oxonin

例句：

1. 1.Oxonin is a type of organic nitrogen compound that can be used as fertilizer.
   氧肟酸是一种有机氮化合物，可以用作肥料。
2. 2. The soil test showed high levels of oxonin, indicating the need for additional fertilizer.
   土壤测试显示高浓度的氧肟酸，表明需要额外的肥料。
3. 3. Oxonin plays a crucial role in plant growth and development.
   氧肟酸在植物生长和发育中起着至关重要的作用。