This is the 11815th most frequent Russian word.
заменили
"Replaced."
Here, 'заменили' refers to modifying or substituting a method or system.
Они заменили свой подход к обучению на более современный.
They changed their approach to education to a more modern one.
In this instance, 'заменили' indicates substituting a defective component for a functional one.
После ремонта заменили неисправный двигатель.
After the repair, the faulty engine was replaced.
The verb 'заменили' is used in past tense to denote the action of replacing or substituting one item with another.