stem-pessary

例句：

1. 1. The nurseryis full of young trees and flowers.
   苗圃里满是年轻的树和花。
2. 2. Theyplanted many seedlings in the gardento grow them into healthy plants.
   他们在花园里种了许多幼苗，希望它们能长成健康的植物。
3. 3. The gardener carefullywaters the plants every day to ensurethey thrive.
   园丁每天细心地给植物浇水，确保它们茁壮成长。