outlineon Upper intermediatealso onBasic words (BNC)? CEFR Mastery level (C2)? Academic Vocabulary List (AVL)? 概述,画轮廓,略述, 大纲,提纲,梗概 outline outline(verb) 概述,画轮廓,略述 outline outline(noun) 大纲,提纲,梗概 outlined outlined(adjective) 概述的,画[标]出轮廓的 Forms verbnounadjective outline outline outlined