In 2003, Severe Acute Respiratory Syndrome (SARS) spread all over the world.

My grandfather contracted poliomyelitis when he was young.

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

A terrestrial planet may have an environment similar to Earth.

He is a salary thief, contributing nothing to the company.

He is dedicating his life to the elucidation of science.

I went to a beautiful church with a ceiling that arches high like a vault.

This is my old friend, Tanaka.

It's difficult to handle this machine.

My zodiac sign is Cancer.