I bought a new bathing suit.

He never misses a day of martial arts training.

This orrery accurately reproduces the movements of the planets in the solar system.

Ilex aquifolium trees are often used for Christmas decorations.

I learned how to calculate definite integrals in math class.

The calculation of the antiderivative is a fundamental part of calculus.

The calculus of variations is a branch of mathematics that deals with the optimization of functions.

I am majoring in French literature at university.

In this company, being late is not allowed as an unwritten rule.

He wrote a poem using the four treasures of the study.