irruption
🇺🇸
/ɪˈrʌpʃn/
🇬🇧
/ɪˈrʌpʃn/
A sudden, forceful entrance or appearance of something.
The sudden irruption of the birds into the garden surprised everyone.
突然的鸟类涌入花园,让所有人都感到惊讶。