key fob

名词 n.
中文释义

英文释义

名词 n.
  1. An item carried on a key ring either as decoration or for security.
  2. A passive wireless electronic device that usually uses RFID technology to control access to buildings, containers, computers, etc. by being placed near a detector.
  3. An active wireless electronic device that controls access to buildings or vehicles, such as a remote control for a car door lock.
    — She finds her key fob and unlocks the doors.

词形变化

key fobs plural keyfob alternative
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