1 N-PROPER (美国小城镇的)大街，主街 In small towns in the United States, the street where most of the shops are is often called Main Street . (美国小城镇的)大街，主街

2 N-UNCOUNT （新闻用语，指居住在小城镇的或并不富裕的）普通大众，老百姓 Main Street is used by journalists to refer to the ordinary people of America who live in small towns rather than big cities or are not very rich. （新闻用语，指居住在小城镇的或并不富裕的）普通大众，老百姓 [US]