This is the 8834th most frequent Russian word.
поступили
"Поступили" means "entered," "were admitted," or "arrived," depending on context.
Here, 'поступили' is used to convey 'enrolled' or 'admitted' into an institution.
Мы поступили в университет в прошлом году.
We enrolled in the university last year.
Here, 'поступили' means 'arrived' or 'were delivered' to a location.
Товары поступили на склад сегодня утром.
The goods arrived at the warehouse this morning.
Here, 'поступил' indicates an action or behavior towards others.