noun🔗Shareストップウォッチ, 计时器A timepiece designed to measure the amount of time elapsed from a particular time when activated and when the piece is deactivated."The runner used a stopwatch to time how long it took to run the mile. "ランナーは、1マイルを走るのにかかった時間を計るためにストップウォッチを使った。timedevicesportelectronicsmachinetechnologytechnicalChat with AIVocabulary GamePractice Reading
