upsurge
🇺🇸
/ˈʌpsɜːrdʒ/
🇬🇧
/ˈʌpsɜːdʒ/
a quick and big increase in something
There was an upsurge in the number of people using the internet.
인터넷을 사용하는 사람들의 수가 급증했습니다.