Place it just after the reveal in a short edit, then follow it with a Yeah Reaction Sound Button to confirm the moment, and close with a Directed by Robert B. Weide Sound Button for the final beat.
关于此声音
This clip is a single drawn-out vocalisation of the sound 'aaa', held on one open vowel with no words around it. It lands as a plain, slightly exasperated groan that reads as confusion, disbelief or someone giving up mid-thought. The stretched delivery makes the reaction feel bigger than a quick sigh, while still staying simple enough to drop into almost any awkward moment.