baby-boomer
noun [ C ] uk/ˈbeɪ.biˌbuːm.ər/ us/ˈbeɪ.biˌbuːm.ɚ/ (also US informal boomer)
(尤指1945至1965年间英国和美国)生育高峰期出生的人
a person who was born during a baby boom, especially the one that happened in the UK and the US following the Second World War