In meteorology, an isotherm refers to a line on a map that indicates the same temperature.

Please turn on the power after checking the ground wire.

In this map, the longitude lines are clearly displayed.

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

You can clearly see the eyestripe on this bird.

The Tropic of Capricorn is located at 23.5 degrees south latitude on Earth.

His temporal line was clearly visible.

The Tropic of Cancer is located at 23.5 degrees north latitude on Earth.

When you cross the International Date Line, the date changes by one day.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.