a method of connecting to the Internet using a phone line that allows you to use that phone line at the same time
ADSL, 非对称数字用户线路
许多家庭和企业使用ADSL在没有光纤电缆的情况下访问高速互联网。
a telecommunications firm that provides a cellular or Internet service
运营商, 服务提供商
光纤电缆被运营商用来传输高速互联网和电话信号。
a series of numbers at the beginning of a phone number that specifies a region, town, etc.
区号, 区域代码
在拨打不同地区之前，请确保包含正确的区号。
an extra telephone connected to the main phone line in a house
分机, 扩展
a system that shows the phone number of an incoming call
来电显示, 主叫号码显示
她查看了她的来电显示，看看是谁在打电话。
a phone service that enables one to know or answer an incoming call during another call
呼叫等待, 等待呼叫通知
我正在和朋友说话时，呼叫等待通知我有另一个来电。
the last characters of a website's address such as '.com', '.org', etc.
域名, 网域名称
(computing) a markup language used for the documents that are supposed to be displayed on the World Wide Web
HTML, 超文本标记语言
a system for communicating music, pictures, and lengthy written messages between mobile phones
增强消息服务, 丰富消息服务
我通过增强消息服务（EMS）给她发送了一条带有活动图片的消息。
a database format that contains links by which one can access related information on a display directly from that display
超文本, 超媒体文本
万维网建立在超文本的概念上，实现了互联信息的检索。
(computing) a set of numbers separated by dots that a computer with an active Internet connection is identified with
IP地址, 互联网协议地址
VPN通过隐藏用户的IP地址来保护其在线隐私和匿名性。
a company that provides its customers with Internet access and related services
互联网服务提供商, ISP
我的互联网服务提供商正在提供一个速度更快的新套餐。
a public place where a wireless Internet connection is made available
热点, Wi-Fi区域
移动设备可以用作个人热点，以便在移动时提供互联网连接。
a cellular service that allows one to send and receive color pictures, sounds, etc. on their cell phone
MMS, 多媒体短信服务
我手机上的MMS功能让我可以轻松地发送视频和照片给我的朋友。
a communication system by which people were able to send and receive messages over long distances, using electrical or radio signals
电报, 电报系统
在电话出现之前的时代，消息是通过电报线远距离发送的。
a communication system that allows people in different parts of a plane, office, etc. to speak to each other
对讲机, 内部通信系统
办公室的对讲机让员工无需离开办公桌就能相互交流。
a meeting held among several people who are in different locations, linked via the Internet
电话会议, 视频会议
她使用视频会议软件从家庭办公室加入了电话会议。
a telephone in a public place that one needs to pay for, mostly by prepaid cards
公用电话, 投币电话
酒店大堂仍然有一部功能正常的公用电话，供没有手机的客人使用。
a piece of software that prevents pop-up advertisements from appearing on a website
广告拦截器, 反广告
(computing) data that a web server sends to a browser and receives if the user visits the website again, used for identifying or tracking the user's activities
cookie, 饼干
(of an email) to fail to reach the destination and be sent back to the sender
弹回, 退回
自动回复表明，由于收件人地址无效，电子邮件已退回。
to send a signal to a computer and wait for a reply as a way to test the connection
发送ping, ping
我将ping服务器以查看它是否响应请求。
used on a business letter or email indicating that a copy is being sent to the person mentioned
复写本, 供参考的副本
请将约翰和莎拉添加到抄送中，以便他们能够及时了解项目更新。
someone's username on an online forum or social media platform
用户名, 昵称
选择一个独特的用户名有助于用户在在线社区中区分自己。
a word or phrase coming after a hash sign '#' used on social media platforms so that one can access all messages with the same subject containing the same hashtag
标签, 话题标签
他关注了标签#HealthyEating下的帖子以获取食谱创意。
a list of names and addresses to which advertising material, information, etc. may be mailed regularly
邮件列表, 邮寄名单
a direct phone line for emergency calls or calls between heads of governments
热线, 直接线路
IT部门为员工建立了一条热线，用于报告技术问题和请求帮助。
a person or organization that sends a large number of unwanted advertisements or messages online
垃圾邮件发送者, 滥发信息者
(computing) someone who posts hostile, irrelevant, or offensive comments on a website or social media to annoy others
喷子, 网络喷子
巨魔的评论破坏了帖子中建设性的讨论。
