慢速英语:Siri Comes to Mac Computers

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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

task - n. a piece of work that has been given to someone : a job for someone to do

text - n. data handled by a computer, cell phone, etc., that is mostly in the form of words

access - v. to open or load (a computer file, an Internet site, etc.)

drag - v. to move (items on a computer screen) by using a computer mouse

code - v. to change (information) into a set of letters, numbers, or symbols that can be read by a computer