蓝牙为什么叫“蓝牙”?

Bluetooth is a way to connect things without wires.
蓝牙,是一种不用线就能连接设备的技术。

Its name comes from a real king.
它的名字,来自一位真实存在的国王。

King Harald lived over a thousand years ago.
哈拉尔德国王,生活在一千多年前。

He was called "Bluetooth" because of his tooth.
他因为一颗坏牙,被叫做“蓝牙”。

He united many small kingdoms in the north.
他把北方许多小国统一了起来。

Bluetooth technology also brings things together.
蓝牙技术,也把很多设备连在了一起。

A king's nickname became a famous tech name.
国王的外号,成了响当当的科技名字。