My boat is equipped with the latest fishfinder.

Herpes simplex virus is a virus that mainly infects the lips and genitals.

Dahlia is my favorite flower.

Bile salts play an important role in the digestion of fats.

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.