Look at the content after the explanation
The old man on the stage wanted to stretch out his hand to retain time.
Pretend to clean the blackboard.
Sometimes, I look at the broken chalk and feel a lot of emotion.
How long are these centimeters? if necessary
Time travel. To touch it.
Lines drawn when I was young.
Smell the boiling blood in your dream.
The multimedia classroom has perfect electronic equipment.
But it can't replace the three-foot platform in winter and summer.
And the thick traces of time
Maybe this records some of our history.
With a magnifying glass, you can see the old man's hair.
There is roughly the same chalk dust.
Looking at the podium from a distance, the dust makes
The old man's hair is grayer.
PS: This poem was transplanted from a friend's work. The original poem describes the old man on the bridge, showing the reflection on time and the integration of historical elements and the city. The content and address are in the attachment. You can have a look if you are interested.