纯理论者

例句：

1. 1. The physicist is a pure theory who believes in the power of science.
   这位物理学家是一位纯粹的理论家，坚信科学的力量。
2. 2. The book is about the history of the pure theory of quantum mechanics.
   这本书讲述了量子力学纯粹理论的历史。
3. 3. The scientist is known for his pure theory and innovative ideas.
   这位科学家因其纯粹的理论和创新思想而闻名。