Do you remember where I put my study guide?

Spectroscopy is an important means of investigating the properties of matter.

He is an expert in Classical Chinese text studies, and is good at interpreting ancient Chinese literature.

He is knowledgeable in all fields of learning.

He is widely recognized as an expert in dogmatics.

He is majoring in the study of national law.

He understands the basic concepts of thermodynamics.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.