"Birds on the tree" in Engpsh.
There is no specific origin for this phrase, as it is a common description of the location of birds.
Example Sentences:
I saw many birds on the tree in the park.
(我在公园里看到很多树上的鸟。)
The bird on the tree was singing a beautiful song.
(树上的鸟唱着美妙的歌曲。)
The children were fascinated by the birds on the tree.
(孩子们被树上的鸟给吸引了。)