to secede
01
退出, 脱离
to formally withdraw from an organization, union, or political entity
例子
The country had been discussing the possibility of seceding from the alliance for years before finally making the decision.
该国在最终做出决定之前，已经讨论了多年从联盟中退出的可能性。
Several states had seceded by the time the treaty was signed.
条约签署时，已有几个州脱离了。
