outline是一个英文单词,形近单词为summary,作为动词基本含义为略述;显示…的轮廓;勾勒…的外形;作为名词基本含义为概述;梗概;轮廓线;略图。复数:outlines;第三人称单数:outlines;现在进行时:outlining;过去式:outlined;过去分词:outlined。例句为The proposals were given in outline by the Secretary of State.国务卿对提议进行了简要的概述。