Wifi
abbr. 基于IEEE 802.11b标准的无线局域网（Wireless Fidelity）；无线网络模块
🗣️ 情景例句
What are you so upset about?
什么使你如此难过？
Where's a tax-free shop?
免税店在哪儿？
Sally was amused, but I was very embarrassed!
萨莉感到很有趣，而我却很尴尬。