irrupt
/ɪˈrʌpt/verb
no obj.
1- enter forcibly or suddenly侵入; 闯进：
the spectre of social revolution once again irrupted into a confident capitalist world.
社会变革的幽灵又一次闯入了信心十足的资本主义世界。
1.1
- (of a bird or other animal) migrate into an area in abnormally large numbers（鸟或其他动物）大量迁徙（某地）。
派生词
irruption
nounirruptive
adjective词源
mid 19th cent.: from Latin irrupt- 'broken into', from the verb irrumpere, from in- 'into' + rumpere 'break'.