They became separated from their party.是什么意思？

They became separated from their party.

他们和伙伴们分开了。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

became

v. 变为，成为（ become的过去式 ）；

例句
It became very clear that the incident was not just an aberration, it was not just a single incident.
事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。

separated

adj. 分开的；v. 分开(separate的过去式和过去分词)；

例句
No supportive words could ever compensate for the pain of being separated from her children for 10 years.
任何表示支持的言语都无法弥补与孩子们分开10年带给她的痛苦。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

party

n. 社交聚会，党，党派，当事人，同类，伙伴；v. 为…举行社交聚会，为…请客，参加社交聚会；adj. 政党的，党派的，社交的，聚会的，共有的，共同的；

例句
The Party is being degraded by its acceptance of secret donations...
该党因私下接受捐赠而蒙羞。