function key

noun
🔊/ˈfʌŋkʃn kiː/
🔊/ˈfʌŋkʃn kiː/
(computing计算机)
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  1. one of several keys on a computer keyboard, each marked with ‘F’ and a number, that can be used to do something, such as save a file or get to the ‘help’ function in a program功能键Topics Computersc2