/ˈrædɪkl ||; ˈrædɪkḷ/adj1 (used about changes in sth) very great; complete （指变化）很大的，彻底的: The tax system needs radical reform. 税制须要彻底改革。radical change 彻底的改变
2 wanting great social or political change 激进的；偏激的:
to have radical views 持激进观点 ☞Look at moderate ¹(2) and extreme (2). 参看moderate^1(2)及extreme(2)。 ➔radically /-kli ||; -klɪ/ adv The First World War radically altered the political map of Europe. 第一次世界大战彻底改变了欧洲的政治地图。