STEM与日常科技·英语30篇（9）

17 / 30

已读 0 / 30 课

非接触式支付卡如何在钱包内正常工作

Even inside a leather wallet, your contactless card sends signals to payment terminals.
It uses near-field communication technology with a range under four centimeters.
The terminal powers the card’s chip wirelessly for just one second during tap.
Metal cards or foil-lined wallets sometimes block the signal completely.
Most modern wallets now have RFID-blocking pockets you can slide open.
You’ll feel a soft buzz and see a green checkmark when payment succeeds.
Cards reject duplicate taps within five seconds to prevent double charges.
If the terminal doesn’t respond, try removing the card and tapping directly.
Banks send instant SMS confirmations so you always know what was charged.
Children’s cards often require a PIN after three contactless transactions.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

Metal cards or foil-lined wallets sometimes block the signal completely. 金属卡或内衬铝箔的钱包有时会完全屏蔽信号。
Children’s cards often require a PIN after three contactless transactions. 儿童卡通常在连续3次非接触式交易后需输入密码。
It uses near-field communication technology with a range under four centimeters. 它采用近场通信技术，有效距离不到4厘米。

这篇中文题目最接近哪一句？非接触式支付卡如何在钱包内正常工作一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？即使放在皮质钱包里，你的非接触式卡片也会向支付终端发送信号。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） How Contactless Payment Cards Work Inside Your Wallet How to cook noodles A maths worksheet

Metal cards or foil-lined wallets sometimes block the signal completely.

Metal cards or foil-lined wallets sometimes block the signal completely.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：Metal cards or foil-lined wallets sometimes block the signal completely.