发育不良地

例句：

1. 1.The child has a developmental delay thataffects his speech and learning skills.
   这个孩子有发育迟缓，影响了他的言语和学习能力。
2. 2.The team needs to address the issue ofunderdevelopment in their region.
   该团队需要解决他们地区发育不足的问题。
3. 3. The research suggeststhat underdevelopment can lead to long-term health problems.
   研究表明，发育不足可能导致长期健康问题。