When you summarize, you condense an extended idea or argument into a sentence or more in your own words..总结的时候，用自己的话把拓展了的观念或论据简缩成一句或几句话。
condenses英语解释浓缩, 压缩英释中释vIf you condense something, especially a piece of writing or a speech, you make it shorter, usually by including only the most important parts
condenses短语和解释condense into,把…缩短；把…压缩.短语
