ابحث
Stopwatch
01
ساعة توقيف
a watch with a button to stop and start time, used in sport events
مثال
They used a digital stopwatch for precise timing in the competition.
The scientist used a stopwatch to record the duration of a chemical reaction in the lab.
He reset the stopwatch after each trial to ensure accurate measurements in the experiment.
She started the stopwatch as soon as the race began to measure her performance.
The coach used a stopwatch to time each runner during the track practice.
