书籍 English File - 中级 - 第4A课

to enter a telephone number using a rotary or keypad on a telephone or mobile device in order to make a call

to end a phone call by breaking the connection

to contact someone when the first attempt to communicate was missed or was unsuccessful

to make something be seen, heard, or noticed by delivering, writing or recording something

a written or spoken piece of information or communication sent to or left for another person

a system that allows callers to leave recorded messages for someone who is unable to answer their phone

involved in a task, project, or other activity, either mentally and emotionally or physically

to hit or strike something with a sweeping motion

(of alarms) to start making a lot of noise as a warning or signal

to end a phone call while the other person is still on the line

a telecommunication network allowing calls and messages to be sent and received between phones

a magazine or periodical that gets published once every month

an official agreement between two or more sides that states what each of them has to do

in a suspended state to be considered and dealt with in the future

a payment system in which one is only able to use a service up to the amount that they have paid for, and payment must be made in advance of using the service