Yu's stroke order is shown in the following figure:
The sentence about Yu:
0 1 Is the universe like a pocket watch?
I will be an astronaut.
The plaques in the temple are all in Chinese.
What do astronauts eat?
The universe is boundless.
Travel in the empty universe.
This is a closed universe.
Building 08 is higher than the universe.
The songs of angels echoed in the sky.
10 unless the dazzling sky falls.
His brow was full of anger.
12 His body is the universe itself.
I will go there by spaceship.
He is exploring the secrets of the universe.
He is handsome and quiet.
16 The power of the universe is infinite.
17 planet is formed by cosmic dust.