Haruyoshi is my best friend, always emphasizing beauty and wellness.

Protein-degrading enzymes play a role in breaking down unnecessary proteins in the body.

This problem is difficult.

What does this sentence mean?

Humanities is an academic field that studies human culture and society.

The Koizumi Shinjiro structure brought a new wind to Japanese politics.

This compound has a tetrahedral molecular geometry.

The Riemann sum is a method for approximately calculating the integral of a function.

He is playing the character of Bun.

The 24-cell is one of the geometric shapes in four dimensions.