The development of nuclear-powered ships must consider their impact on the environment.

We traveled by steamship.

I went on a trip by Sekifune.

His dream is to pilot a spaceship.

The icebreaker moved forward, breaking through the thick ice.

The patrol boat is patrolling the sea area.

His recovery was truly miraculous.

He has fundamental knowledge of mathematics.

The shipworm is known for eating wood.

We crossed the sea by catamaran.