breakout
noun [ C ] uk/ˈbreɪk.aʊt/ us/ˈbreɪk.aʊt/
（尤指集体的）越狱
a violent escape, especially by a group, from prison
There has been a mass breakout from one of Germany's top security jails. 德国一所戒备森严的监狱发生了集体越狱事件。
breakout
adjective [ before noun ] uk/ˈbreɪk.aʊt/ us/ˈbreɪk.aʊt/
（会议期间）分组的
used in connection with smaller groups that separate from a meeting to discuss a particular issue, before returning to the main meeting
a breakout session/meeting/room 分组阶段/会议/会场