professional library

例句：

1. 1.The professional library has a vast collection of books on history.
   这个专业图书馆拥有丰富的关于历史的书籍。
2. 2.She spent hours in the professional library researching her thesis.
   她在专业图书馆里花了几个小时研究她的论文。
3. 3. The professional library is a great resource for students who need to study abroad.
   这个专业图书馆对于需要出国留学的学生来说是一个巨大的资源。