载入史册英语口语词汇讲解：Wifi! 无线网!

2021年1月7日发(作者：游绍安)
Wi-fi. W-I-F-I. Sometimes written with a hyphen, sometimes not.
Wi-fi， 无线网络，有时候中间会有连字符，有时候没有。

Wireless fidelity. Technically, it's a standard ensuring that equipment works on a
wireless network. It's on analogy with 'hi-fi', for high fidelity, that used to be
common for recording some years ago.
Wifi全称为wireless fidelity.(无线保真)，从专业的角度讲，是一种确保不需要线缆也
可使用因特网的技术。 Wifi和hi-fi（高保真）相似--“高保真”一词多年前就出现了，
是用来形容唱片音效的。

It's an interesting usage because it shows the return of a word that everybody
thought had gone completely out of date - 'wireless'.
Wi- fi这个词很有趣，因为人们可以从它身上看到过时的单词卷土重来的现象： wifi来
自单词wireless （无线）。

I mean, 'wireless' was around when wireless was invented, but it was quickly
replaced by 'radio'.
收 音机刚被发明的时候，“wirless”（无线电；收音机）开始出现在人们的生活中，
但是这个词很 快被radio（无线电；收音机）所取代。

And everybody talks about 'radio broadcasting' not 'wireless broadcasting' and then,
suddenly it came back in again with this internet connection.
说到电台的时候，人们往往用“radio broardcasing”而不是“wirelss broadcasting”，
但是随着网络的出现，wireless又开始被人们使用。

It's used now for all sorts of applications.
Wireless（无线技术）现在被用于各种各样的家电。

TV remotes can be talked about as wireless, if you control your garage door, it's a
wireless control, mobile phones are sometimes referred to as wireless, and GPS, you
know, satellite things in your car - wireless.