对于精度球迷：倒数计时器帮助您记住放出一个在预设时间发声具体或反复出现的事件。

For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time.

youdao

对于精度球迷：倒数计时器帮助您记住放出一个在预设时间发声具体或反复出现的事件。

For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time.

youdao