V2EX key fob

Key Fob

Definition / 释义

钥匙扣式遥控器;门禁/汽车的电子钥匙:一种小型随身装置,常挂在钥匙圈上,用于远程解锁/上锁汽车刷门禁、打卡、启动防盗系统等。(在不同语境中也可泛指“带芯片的门禁钥匙扣/感应器”)

Pronunciation / 发音

/ki fb/

Examples / 例句

I can’t find my key fob.
我找不到我的钥匙遥控器了。

The car wouldn’t start because the key fob’s battery had died, so we had to use the backup key.
车因为钥匙遥控器没电而无法启动,所以我们只好用备用钥匙。

Etymology / 词源

fob 原指“挂在怀表上的短链/饰物”或“衣袋(尤指怀表袋)”,后来引申为“挂在钥匙圈上的小挂件”。随着汽车遥控与门禁感应设备普及,这类装置常做成可挂钥匙圈的形态,于是出现并固定为短语 key fob,特指“钥匙扣式遥控器/电子钥匙”。

Related Words / 相关词

Literary Works / 文学作品

“key fob” 属于现代生活与科技语汇,更常见于当代小说、纪实写作与都市题材文本中;例如一些描写数字监控、公司门禁与现代出行场景的作品里会出现该词,如:

  • Dave Eggers, The Circle
  • William Gibson, Pattern Recognition
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