electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds;
"I talked to him on the telephone"
例句
用作名词(n.)
He jotted down a note on the pad by the telephone.他在电话机旁的便笺本草草记下一个通知。
This model combines a telephone and fax machine.这种型号同时具备电话机和传真机的功能。