名词
1. 侵占;侵蚀;蚕食
You can describe the action or process of encroaching on something as encroachment .
1. influencing strongly
e.g. they resented the impingement of American values on European culture
Synonym: impingementimpact
2. entry to another's property without right or permission
Synonym: trespassviolationintrusionusurpation
3. any entry into an area not previously occupied
e.g. an invasion of tourists
an invasion of locusts