WAN
US /wɑːn/
UK /wɑːn/

1.
廣域網, WAN
a computer network that extends over a large geographical area, such as across cities, countries, or even continents. It connects multiple local area networks (LANs) and other smaller networks.
:
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Our company uses a WAN to connect its offices worldwide.
我們公司使用廣域網連接其全球辦事處。
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The internet is the largest example of a WAN.
互聯網是廣域網最大的例子。