1. One of the states has seceded from the federation.
    有一个州已从联邦中退出。

1. 脱离：林肯当选总统的这一年,南卡罗莱纳州第一个宣布脱离(secede)联邦,紧接是密西西比州、佛罗里达州、阿拉巴马州、乔治亚州和路易斯安那州. 这些州在次年宣布组成美利坚联盟.

2. 脱离,退出：reward 报酬,赏金 | secede 脱离,退出 | seclude 使隔绝,使隔离

3. danci.911cha.com

3. 分离：seccotine 强力胶 | secede 分离 | seceder 脱离者

4. secede是什么意思

4. 正式脱离或退出分离：sea change 海洋是转变,巨大变化(源自莎士比亚的剧本台词) | secede 正式脱离或退出分离 | secret ballot 不记名投票

1. (从国家、大集团中正式)退出，脱离，分离
    If a region or group secedes from the country or larger group to which it belongs, it formally becomes a separate country or stops being a member of the larger group.

    e.g. Singapore seceded from the Federation of Malaysia and became an independent sovereign state...
           新加坡脱离马来西亚联邦成为一个独立的主权国家。
    e.g. On 20 August 1960 Senegal seceded.
           塞内加尔于 1960年 8 月 20 日独立出去。

1. withdraw from an organization or communion

    e.g. After the break up of the Soviet Union, many republics broke away

    Synonym: splinterbreak away