PDE

例句：

1. 1. PDE stands for "Personal Development Exercises"，意为“个人发展练习”。
   PDE代表“个人发展练习”，意为“个人发展练习”。
2. 2. The PDE is a series of exercises designed to improve cognitive abilities and mental health.
   PDE是一系列旨在提高认知能力和心理健康的练习。
3. 3. PDE is often used in the workplace to help employees develop their skills and enhance their performance.
   PDE在工作场所常用于帮助员工发展技能和提高工作效率。