cerous acetate

例句：

1. 1. This fertilizer isvery effective for plants, especially in thespring when they need extra nutrients.
   这种肥料对植物非常有效，尤其是在春天，当它们需要额外的养分时。
2. 2. The soiltest showed that the soil was lacking innitrogen, so we decided to use thiscerous acetate toimprove its quality.
   土壤测试显示土壤缺乏氮，所以我们决定使用这种硫酸铵来改善其质量。
3. 3. The farmer applied thiscerous acetate asa pre-planting fertilizerto ensure a healthy growth of his crops.
   这位农民在播种前使用了这种硫酸铵作为肥料，以确保他的作物健康生长。