noun 下载 🔗分享 秒表，跑表 A timepiece designed to measure the amount of time elapsed from a particular time when activated and when the piece is deactivated. Examples : "The runner used a stopwatch to time how long it took to run the mile. " 这位跑步者用秒表来计时跑一英里需要多久。 time device sport electronics machine technology technical 与AI对话词汇游戏阅读练习
