attack and spread into so as to take control of (a country, city, etc.)
enter into and spoil
enter in large numbers
"Hitler invaded Poland on September 1, 1939"
"This new colleague invades my territory"
"The neighbors intrude on your privacy"
"the Kudzu plant infests much of the South and is spreading to the North"
"The cancer had invaded her lungs"
On 23 August 1914 the Germans invaded.
出自: S. Chitty
These tumours..may directly invade into the mandible.
出自:British Medical Journal
It disturbed him that these memories should invade his mind.
出自: transf.