Voluntary Service Overseas
noun🔊/ˌvɒləntri ˌsɜːvɪs əʊvəˈsiːz/
🔊/ˌvɑːlənteri ˌsɜːrvɪs əʊvərˈsiːz/
[uncountable] (abbreviation VSO)
a British charity that sends people with special skills, such as doctors and teachers, to work in other countries as volunteers 海外志愿者服务社（英国外派医生、教师等技术人士的慈善机构）