磁卡

• 拼音: cí kǎ
• 汉字拆解: 磁 = 石 + 兹 (magnetic); 卡 = transliteration of 'card'

含义

Magnetic card; swipe card. A card with a magnetic stripe used for access control, payment, or identification.

Includes hotel key cards, old-style bank cards, transit cards, and access badges. Being gradually replaced by chip cards and mobile payments, but still common in many contexts.

例句

1. 酒店前台给了我一张磁卡，说这是房间的门卡。
2. 这张磁卡消磁了，刷不了门禁，得去前台重新办一张。
3. 以前坐公交都是刷磁卡，现在手机一扫就行了。

用法指南

语境: technology, access control, everyday

语气: practical

正确说法

• 你的磁卡放在手机旁边容易消磁。(Your magnetic card can get demagnetized if you keep it near your phone.)
• 进门要刷磁卡。(You need to swipe your card to enter.)

错误说法

• 我用磁卡支付了支付宝 (Mixing technologies — 磁卡 is physical; Alipay is mobile payment)

起源与历史

Compound of 磁 (magnetic) + 卡 (card). Literally 'magnetic card,' describing the technology used.

文化背景

世代: All ages

社会背景: Universal