Usages of операция
Он уснул во время операции.
He fell asleep during the operation.
Во время операции была короткая пауза.
What happened during the operation?
В сети спорят, делала ли она пластическую операцию.
They are arguing online whether she had plastic surgery.
Elon.io is an online learning platform
We have an entire course teaching Russian grammar and vocabulary.