grand tour
noun [ C ] uk/ˌɡrænd ˈtʊər/ us/ˌɡrænd ˈtʊr/
(also Grand Tour)大旅行，环欧旅行（指从前富人子弟在欧洲大陆主要城市的观光旅行，作为其教育的一部分）
a visit to the most important countries and cities of Europe that rich young people made in the past as part of their education
often humorous参观，游览（指带领某人在房屋或其他建筑物中四处观看）
an occasion when someone shows you round a house or other building
Let me give you a grand tour of the house. 让我带你看看这幢房子。