toolbarWiktionary 原文构词拆分tool词根/词干+bar词根/词干原始词根原始印欧语 *dewh₂-词源说明From tool + bar.释义（英文）名词 Noun(graphical user interface) A row of buttons, usually marked with icons, used to activate the functions of an application or operating system.词族派生词（1）deskbar相关词（1）tooltip