我们讨论了一系列的话题，从生病的朋友，孩子，一个搞it的家伙刚刚安装的无线麦到对不同品牌的苏格兰威士忌的偏好。
We talked about an array of topics — a sick friend, kids, a cool wireless speaker the IT guy had set up and our preferences for different brands of Scotch.
现今无线传感器网络中最受关注的话题是路由协议的研究。
Nowadays, the most popular topic of WSNs is routing protocol.
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