The polygraph machine is more popularly [=commonly] known as a “lie detector.”多导生理记录仪更为人熟知的名称是测谎仪。
2
:by being chosen or voted for by most of the people民选的
He was the country's first popularly elected leader. [=the country's first leader who was chosen in an election rather than in some other way]他是这个国家首位民选领导人。