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词汇 key-operated
释义

Definition of key-operated in English:

key-operated

adjective
  • That is locked and unlocked by means of a key; (also of a device) operated by a key or keyboard.

Origin

Late 19th century; earliest use found in Scientific American.

Definition of key-operated in US English:

key-operated

adjective
  • That is locked and unlocked by means of a key; (also of a device) operated by a key or keyboard.

Origin

Late 19th century; earliest use found in Scientific American.

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