stem bud

例句：

1. 1.The stem bud of the plant isvisible through the soil.
   植物的茎芽从土壤中可见。
2. 2. The buds are startingto swell as spring approaches.
   随着春天的到来，花蕾开始膨胀。
3. 3. Thestem bud of the tree is asign of new growth.
   树的茎芽是新生长的迹象。