youdao

With some models, if you are speaking on the telephone, a signal shows you that somebody else is trying to call you.

如果你正在打电话，有些型号的电话机能有信号显示有别人在给你打电话。

youdao

With some models, if you are speaking on the telephone, a signal shows you that somebody else is trying to call you.

如果你正在打电话，有些型号的电话机能有信号显示有别人在给你打电话。

youdao