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词汇 keyhole guard
释义

Definition of keyhole guard in English:

keyhole guard

noun

  • A metal plate which covers a keyhole, or a bolt which is inserted into it, so as to block the view through the hole, prevent tampering with the lock, stop draughts, etc.

Origin

Mid 19th century; earliest use found in Journal of the Franklin Institute.

Definition of keyhole guard in US English:

keyhole guard

noun

  • A metal plate which covers a keyhole, or a bolt which is inserted into it, so as to block the view through the hole, prevent tampering with the lock, stop draughts, etc.

Origin

Mid 19th century; earliest use found in Journal of the Franklin Institute.
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