USO

美 
英 
  • abbr.美军慰问协会
  • 网络美国劳军联合组织(United Services Organization);不明潜水物(Unidentified Submerged Object);劳军联合组织(United Service Organizations)
abbr.
1.
〈英旧〉(=United Services Organizations)劳军联合组织,美军慰问协会