[Odnovremenno]
"simultaneously, at the same time" is Одновременно in Russian.
Одновременно means "simultaneously, at the same time" in English.
Listen to the pronunciationWord #1575 of 6,000 by frequency in Russian.
Она читала книгу и слушала музыку одновременно.
She was reading a book and listening to music at the same time.