He is devoting his energy to his work.

Our country's military power is the strongest in the world.

Our military force is significantly inferior to the enemy's.

Even as he gets older, his virility does not diminish.

The topography of this area was mainly formed by the geomorphic agent of wind.

His influence is spreading in this region.

This new mattress has wonderful flexibility.

An airplane can fly in the sky due to lift.

Norimasa is my best friend.

There is a beautiful Japanese spindle tree in my garden.