help key什么意思 help key音标、翻译、用法
help key音标
英 [help ki:]
美 [hɛlp ki]
help key翻译
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
help key用法
权威例句
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