Put it right after the reveal in an edit, then follow it with a funny laugh to turn the moment into a joke, or an evil laugh when the gross surprise was a deliberate prank on a friend.
关于此声音
This is a brief, roughly two-second vocal clip built around a drawn-out 'eww', delivered in a playful, exaggerated tone. It lands as an instant, over-the-top reaction to something unpleasant, giving listeners a quick jolt of squeamish humour that feels made for a gross-out moment in a chat or edit.