Place it near the end of a food scene, just after the dish is shown and just before the reaction shot, then follow it with the Taco Bell bong for a fast-food punch and a bell ding to close the moment.
关于此声音
This is a short 1.6-second clip of a voice repeating yum yum yum in a quick, greedy munching rhythm, like someone tucking into food they have been waiting for. It feels silly, hungry and gleefully satisfied, the kind of sound that makes a simple bite look like the best part of the day.