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 return a phone call or contact someone again when the first attempt to communicate was missed or 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