He is doing a special exercise to strengthen his vastus intermedius muscle.

He fractured his intermediate cuneiform bone in his foot.

He is an expert in geophysics.

He believes in the geocentric theory.

Global warming is a big issue that affects all of us.

A terrestrial planet may have an environment similar to Earth.

Based on the Air Pollution Control Law, factories must strengthen the management of exhaust gases.

The Greater East Asia Co-Prosperity Sphere is a concept proposed by Japan during World War II.