:to have (someone) see, use, or experience (something) often especially from a young age(常尤指从小)习惯于,熟悉 — usually used as (be) weaned on通常用作(be) weaned on
a generation of kids weaned on television [=a generation of kids who have watched television a lot since they were very young]从小就有看电视习惯的一代孩子
Although born in the 1970s, the singer says she was weaned on the music of the 1940s.虽然生于20世纪70年代,但这位歌手说她从小就熟悉40年代的音乐。