In order to survive in this ever-changing world, it is necessary to constantly continue learning new knowledge.

You can see drift ice in the Sea of Okhotsk in winter.

He was standing on the seashore, staring at the distant horizon.

He gained sailing experience in the Arabian Sea.

When summer vacation comes, I go to the sea every day wearing swim trunks.

When I looked into her eyes, the phrase 'the eyes are the window to the soul' came to mind.

This house is warm even in winter because it has double-pane windows.

We should always remember the power of Kannon in difficult times.

The olive ridley sea turtle is one of the smallest sea turtles in the world.

The flatback sea turtle is a species endemic to Australia and is on the brink of extinction.