When Qian Xuesen set foot on the land of his motherland, what poems would he think of?

There are only a few silver photos left tonight, as if we were meeting Yan Jidao in a dream

Why do I often have tears in my eyes, because I love this land deeply

You are not a young man meeting again after a long separation. Holding a cup to persuade each other, don’t stop each other.

The young man left home and his boss came back, but his local pronunciation has not changed and his hair on his temples has faded