帮忙找一下这些英文缩写的意思及全称

WTO
世界贸易组织(World Trade Organization)
WHO
世界卫生组织 World Health Organization
PRC
中华人民共和国People's Republic of China
CAAC
中国民航 Civil Aviation Administration of China
CPC
中国共产党
Communist Party of China
VIP
贵宾Very Important Person