I meditated, focusing on the A-un breathing.

Undecene is produced in this chemical reaction.

He stood on the mound and threw the ball.

Dark clouds began to cover the sky, it looks like it's going to rain.

I looked up at the sky where the clouds of war were looming.

The character '云' is a Chinese character.

After listening to his story, I felt his pain for the first time.

I perceived his suffering.

He has a large number of books in his room, exceeding 1000.

Ah, it seems like I left something behind.