Traditional Culture Encyclopedia - Weather forecast - The river is clear and the weather is fine. What kind of green is it?

The river is clear and the weather is fine. What kind of green is it?

Three drops of water are clear.

This sentence comes from Little Frog, the third volume of Grade One Chinese Literacy. The radical of "Qing" is three-point water, which shows that it describes "river water" Beside "sunny" is the word "sun", which means to describe the weather.