• 基础释义
  • 例句
  • 柯林斯词典释义
  • 英汉词典释义
  • 英英词典释义
  • 行业词典释义
例句
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    计时器;定时器
    A timer is a device that measures time, especially one that is part of a machine and causes it to start or stop working at specific times.
    例句
    ...electronic timers that automatically switch on the lights when it gets dark. 光线一暗就自动开灯的电子定时器
英汉词典释义
  • n.
    定时器,计时员
    The heater is on a timer switch. 加热器连在一个定时开关上。
英英词典释义
  • Noun
    1. a timepiece that measures a time interval and signals its end
    2. (sports) an official who keeps track of the time elapsed
    3. a regulator that activates or deactivates a mechanism at set times
行业词典
  • 体育: 计时员;
    医学: 定时器,限时器:一种钟表机械,能自动显示到达给定时间的信号,或按给定时间切断其它某一器械的作用;
    物理学: 定时器;计时器;
    电工: 定时器;
    航天: 定时器;