help key
英 [help ki:] 美 [hɛlp ki]

释义

求助键；

英英释义

Help key

• A Help key, found in the shape of a dedicated key explicitly labeled "Help", or as another key, typically one of the function keys, on a computer keyboard, is a key which, when pressed, produces information on the screen/display to aid the user in his/her current task, such as using a specific function in an application program.

以上来源于:Wikipedia

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