I'm on the phone
电话───Telephone;正在───In progress
Explain why you didn't telephone.───解释一下你为什么不打电话。
I must telephone my parents.───我一定要给父母打个电话。
He snatched up the telephone.───他一把抓起了电话。
The fourth guy leaned against a telephone pole, standing unsteadily, occasionally muttered some words out his mouth and shivered non-stop.───还有一个靠着旁边的电线杆摇摇晃晃地站着，偶尔说些听不懂的话，并且不停地抽搐。
"China is changing to become remarkably more like the U. S. , " he said by telephone.───“中国目前正变得比美国更加地引人注目，”他通过电话解释道。
The criminals did not know the police were listening in , eg by tapping their telephone.───罪犯不知道他们一直受着警方的监听（如窃听其电话）。
Her name is listed in the telephone directory.
The telephone wire is cut off in this house.
His hand strayed to the telephone.
A telephone belongs in every home.
Reservations can be made by telephone.