cultivating winter plant

例句：

1. 1. The farmeris cultivating the soil forthe next crop.
   农民正在为下一批作物耕作土壤。
2. 2. The children are cultivating their own gardens in the backyard.
   孩子们在后院自己种植花园。
3. 3. Thescientist cultivates a variety ofplants in his lab.
   科学家在他的实验室里培育各种植物。