化学家

例句：

1. 1. He is a famous chemist who has made many discoveries in the field of chemistry.
   他是一位著名的化学家，在化学领域做出了许多发现。
2. 2. The chemist was able to analyze the sample and determine its composition.
   这位化学家能够分析样本并确定其成分。
3. 3. Chemistry is a fascinating subject that combines science with art.
   化学是一门令人着迷的学科，它结合了科学与艺术。