We conducted a spectral analysis to investigate the spectral characteristics of this substance.

Mr. Okuda is an insurance sales representative.

The center of this plate is sunken.

Please teach me how to calculate the area of this circular sector.

He felt nauseous and rushed to the toilet.

He is receiving treatment for obsessive-compulsive disorder.

Cell biology is the study of the structure and function of cells, which are the basic units of life.

The rainbow lorikeet is known for its vibrant colors.

Let's calculate so that all numbers become equal.

The bird is making a nest in the tree.