knowledge angel

例句：

1. 1.She is an angel of knowledge, always ready to share her wisdom with others.
   她是一位知识天使，总是准备与他人分享她的智慧。
2. 2.The knowledge angel has been helping people solve problems for years.
   这位知识天使已经帮助人们解决了许多问题多年了。
3. 3. In the old days, knowledge was often considered a gift from the heavenly realm, and the knowledge angels were revered as divine beings.
   在旧时代，知识常常被视为来自天界的恩赐，而知识天使则被尊为神圣的存在。