N-VAR
侵占;侵蝕;蠶食
You can describe the action or process of encroaching on something as encroachment .
例句
It's a sign of the encroachment of commercialism in medicine...
這是醫(yī)藥界被逐漸商業(yè)化的一個(gè)的征兆。
The problem was to safeguard sites from encroachment by property development.
問題是要保護(hù)遺址免受房地產(chǎn)開發(fā)商的侵占。