喉科学家

例句：

1. 1. He is a renowned scientist who has made significant contributions to the field of physics.
   他是一位著名的科学家，对物理学领域做出了重大贡献。
2. 2. The scientist conducted an experiment to test the theory.
   这位科学家进行了实验来测试这一理论。
3. 3. Scientists are responsible for discovering new knowledge and technologies.
   科学家负责发现新的知识和技术。