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单词 lockbox
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lock•box  (lokboks′),USA pronunciation n. 
  1. a strongbox.
  2. a rented post-office box equipped with a lock.
  3. Radio and TelevisionAlso called lockout box. [Television.]a closed box, usually fitted with a lock, containing electronic equipment to unscramble cable television pictures for subscribers only: used esp. to prevent children from watching programs with explicit sexual content.
  • lock1 + box1 1870–75, American.

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