jun·ior com·mon room
noun/ˌdʒuːniə ˈkɒmən ruːm/, /ˌdʒuːniə ˈkɒmən rʊm/
/ˌdʒuːniər ˈkɑːmən ruːm/, /ˌdʒuːniər ˈkɑːmən rʊm/
(abbreviation JCR)
(British English)- a room in a college, used for social purposes by students who have not yet taken their first degree
（大学的）本科生活动室