secede/sɪˈsi:d; sɪ`sid/ v[I, Ipr]~ (from sth) (fml 文) withdraw (from membership of an organization, state, etc) 退出, 脱离（组织等） the Southern States which seceded from the Union (ie from the United States) in 1860-61 在1860-1861年脱离联邦的南方各州.
牛津英汉双解词典