국도윤님의 아이디어 더 보기
Water Robots Explore the Celtic Sea

Water Robots Explore the Celtic Sea

The main planet of solar system is sun because the name solar means 'sun'. So today I will talk about 'sun'.

The main planet of solar system is sun because the name solar means 'sun'. So today I will talk about 'sun'.

This week, I will talk about solar system which I am interested in.

This week, I will talk about solar system which I am interested in.