timer
🇺🇸
/ˈtaɪmər/
🇬🇧
/ˈtaɪmə(r)/
A device that helps you keep track of time or that controls when something starts or stops.
The chef used a timer to make sure the cookies baked for exactly ten minutes.
셰프는 타이머를 사용하여 비스킷이 정확히 10분 동안 굽힐 수 있도록 했습니다.