Parts of a phone
20. Internet phone call
网络电话
21. operator
someone who works on a telephone switchboard, who you can call for help
电话接线员
22. directory assisitance = directory enquiries
a service on the telephone network that you can use to find out someone’s telephone number
电话查号服务
23. automated phone system
24. cordless phone
/ˈkɔːrdləs/
无绳电话，无线电话
25. pay phone
a public telephone that you can use when you put in a coin or a credit card
27. smart phone
智能手机
网友评论