fertilizer

园丁在土壤中添加化肥来帮助植物生长。

The gardener adds ___fertilizer to the soil to help the plants grow.

园丁在种植前先在土壤里施了肥料。

The gardener added ___fertilizer to the soil before planting.

我每个月都会给花园里的植物施一次肥。

I apply ___fertilizer to the plants in my garden once a month.