seedling stage

例句：

1. 1. The plant is in the seedling stage and needs to be watered regularly.
   这植物处于幼苗期，需要定期浇水。
2. 2. During the seedling stage, the plant requires a lot of care.
   在幼苗期，这植物需要很多照顾。
3. 3. The nursery staff carefully monitors the progress of each seedling during the seedling stage.
   园丁们仔细监控每个幼苗在幼苗期的进展。