centre around/on something phrasal verb with centre verb [T ]UK (US center) uk /ˈsen.tə r/us /ˈsen.t̬ɚ /Add to word list to have something as the main subject of discussion or interest （话题或兴趣）以…为中心，围绕着The discussion centred around reducing waste. 讨论围绕着减少浪费而展开。