USO abbreviation
Learner's definition of USO
United Service Organizations（美国）劳军联合组织 ◊ The USO is a private organization that provides entertainment, social events, etc., for members of the U.S. military in countries around the world.劳军联合组织为美国一家私营机构，旨在为世界各国服役的美国军人提供娱乐和社交活动等服务。