幼芽

例句：

1. 1. The baby is learning to walk by holding onto the tree's bud.
   婴儿通过抓住树的嫩芽学习走路。
2. 2. The forest was teeming with life as the seedlings sprouted from the soil.
   森林里生机勃勃，幼苗从土壤中冒出来。
3. 3. The scientist observed the growth of the seedlings in his greenhouse.
   科学家在他的温室里观察幼苗的生长。