Place it at the peak of the reveal in your edit, after a shocked sound sets up the reaction and before a goofy yell carries the scene into the next cut for a bigger payoff.
关于此声音
This is a short 3.6-second scream, a human shriek with no words in it. It gives a listener a quick jolt of panic that tips straight into comedy, the kind of startled, over-the-top fright you hear and immediately want to replay on someone else when they least expect it.