[countable, uncountable] a system for talking to sb else over long distances using wires or radio; a machine used for this
电话；电话机◆You can get technical support over the phone.
你可以通过电话获得技术支援。◆They like to do business by phone.
他们喜欢通过电话做生意。◆He' s been on the phone to his office for more than an hour.
他已经给他办公室打了一个多小时电话。◆Her phone must be switched off.
她的电话肯定关机了。 cellular phone fixed phone mobile phone