undulation meaning in العربية

إنجليزي	العربية
Undulation [UK: ˌʌn.djʊ.ˈleɪʃ.n̩] [US: ˌʌn.djʊ.ˈleɪʃ.n̩]	التموّج
Undulations [UK: ˌʌn.djʊ.ˈleɪʃ.n̩z] [US: ˌʌn.djʊ.ˈleɪʃ.n̩z]	التموّجات

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