VOA慢速英语:Apple Announces New Tech

operating system - n. the main program in a computer that controls the way the computer works and makes it possible for other programs to function

reminder - n. something that causes you to remember or to think about something

respond - v. to say or write something as an answer to a question or request

emergency - n. an unexpected and usually dangerous situation that calls for immediate action

augmented reality - n. an enhanced version of reality created by the use of technology to add digital information on an image of something

virtual reality - n. the use of computer technology to create a simulated environment

file system - n. the way in which files are named and where they are placed for storage and retrieval

voice assistant - n. an application program that can understand natural language and complete electronic tasks for the user

section - n. one of the parts that form something

volume - n. the amount of sound that is produced by a television, radio, stereo, etc.

scanner - n. a device that reads or copies information or images into a computer

sync - v. update computers so the data is the same on both

delete- v. to remove (something, such as words, pictures, or computer files) from a document, recording, computer, etc.

lane - n. a part of road that is marked by painted lines and that is for a single line of vehicles

browser - n. a computer program that is used to find and look at information on the Internet

autoplay- v. a feature that lets a video play automatically when a website is open.

table - n. a collection of information that is arranged in rows and columns

chart - n. information in the form of a table, diagram, etc.

drag-and-drop- v. a feature that allows the user to select an object on a computer screen and move it to a different place on the screen.

stylus - n. a small tool that is used to write or touch buttons on a computer

fitness tracker - n. a wearable device or a computer application that records a person’s daily physical activity, together with other data relating to their fitness or health, such as the number of calories burned, heart rate, etc.

workout - n. a period of physical exercise that you do in order to improve your fitness, ability, or performance