This is the 17807th most frequent Russian word.
уплачивать
To pay.
In this sentence, the word "уплатила" denotes the action of fulfilling an obligation or debt, emphasizing the completion and timeliness of the payment.
Я уплатила все налоги вовремя.
I have paid all the taxes on time.
Here, "уплачивать" is used to describe a recurring obligation of payment, emphasizing the regularity of the action.
Мы обязаны уплачивать взносы каждый месяц.
We are required to pay contributions every month.
In this example, "уплатить" conveys a decisive action to fulfill a payment responsibility promptly, indicating intention and speed.