molly-guard
名词 n.
英 /ˈmɒli ɡɑːd/
美 /ˈmɑli ɡɑɹd/
英文释义
名词 n.
-
A physical barrier to protect something from unwanted contact, especially a shield to prevent accidental tripping of an emergency shutdown or power switch.
— There is a plastic molly-guard covering the escalator's shutdown button to prevent little kids from pushing it and stopping the escalator.
词形变化
词源
From Molly (female given name) + guard.
Originally a Plexiglas cover improvised for the Big Red Switch on an IBM 4341 mainframe after a programmer's toddler daughter (named Molly) tripped it twice in one day. Later generalised to covers over stop/reset switches on disk drives and networking equipment.
Originally a Plexiglas cover improvised for the Big Red Switch on an IBM 4341 mainframe after a programmer's toddler daughter (named Molly) tripped it twice in one day. Later generalised to covers over stop/reset switches on disk drives and networking equipment.
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数据来源: Wiktionary