There is a lot of spirogyra floating in this pond.

In this chemical reaction, hydration plays an important role.

This area is rich in subterranean rivers, which serve as a source of groundwater.

The two-humped camel is an animal adapted to live in the desert.

The one-humped camel lives in the desert.

He was born and raised in North Hamgyong.

Due to the impact of the new coronavirus, our town was locked down.

What is this pipe used for?

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

Since he started his new job, he's been lively as if he were a fish back in water.