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单词 unshift
释义

unshiftv.

Etymology: un- prefix2 1a.Previous versions of the OED give the stress as: ˈunshift.
intransitive. To release or cancel the shift key on a typewriter, etc.
ΘΚΠ
society > communication > printing > typing > type [verb (intransitive)] > release or cancel shift key
unshift1973
1972 A. H. Phillips in J. F. Slater Computer-Aided Typesetting 54/1 Figures on unshift, ligatures on shift.]
1973 in Webster's New Collegiate Dict.
1986 Austral. Personal Computer Sept. 73/2 If you change your mind having pressed the shift key, you can un-shift by pressing it again.
This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2019).
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v.1973
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