ululation
🇺🇸
/ˌʌljuˈleɪʃn/
🇬🇧
/ˌʌljuˈleɪʃn/
a long, loud, wailing sound, often made in celebration or mourning
The ululation of the crowd could be heard from miles away.
人群的哀号声从数英里外都能听到。