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stridulation bolgárul

AngolBolgár
stridulation [stridulations] (chirping, grating, or squeaking sound made by crickets and grasshoppers)
noun
[UK: ˌstrɪ.djʊ.ˈleɪʃ.n̩]
[US: ˌstrɪ.djʊ.ˈleɪʃ.n̩]

цвърченеnoun
{n}