time signal怎么读，是什么意思，单词翻译、读音
时间：
英语单词:time signal
意思翻译
time signal
noun [ C usually singular ] uk/ˈtaɪm ˌsɪɡ.nəl/ us/ˈtaɪm ˌsɪɡ.nəl/
（收音机发出的）报时信号 a signal that is broadcast on the radio at an exact time, for example one o'clock, to show accurately what the time is