He is undergoing training for extravehicular activity.

My new car is a four-wheel drive.

The ringed seal is the most commonly seen seal in the Arctic Circle.

I found a beautiful twinflower in the park.

He performed a circus act on a unicycle.

He commutes by two-wheeled vehicle.

By training the orbicularis oris muscle, your expressions become more expressive.

My new four-wheeled vehicle is very fast.

My new four-wheeled vehicle is very fast.

If you train the orbicularis oculi muscle, the muscles around your eyes will be strengthened.