Questions & Answers about Se me derramó el té sobre el cuaderno.
Here se is part of a very common Spanish pattern for accidents or unplanned events.
Se me derramó el té literally looks something like:
- The tea spilled itself on me
But the real idea is:
- I accidentally spilled the tea
- The tea got spilled on me / on my side
This structure often makes the event sound less direct and more accidental than a plain active sentence like:
- Derramé el té = I spilled the tea
So se helps give the sentence that accidental, unintended feeling.