You can also add your own according to the meaning of the question. When birds enter the forest, there will be bursts of birdsong, so you only need to add overlapping words to express birdsong, such as: Ji Ji, Ji Ji, Ji Er, mute and so on.
Extended data:
Overlap is judged by the shape of words, which has two elements: the single words that make up words are the same word; The components of a single word should also be the same word or radical.
Reduplicated words have unique charm in poetry creation, and their special functions are mainly manifested in three aspects: vividness, accuracy and musicality.
References:
Baidu encyclopedia-overlapping