impingement
  衝突;侵犯
  Im·pinge·ment n. The act of impinging.
  ◄ ►
  impingement
       n 1: influencing strongly; "they resented the impingement of
            American values on European culture" [syn: encroachment,
             impact]
       2: a sharp collision produced by striking or dashing against
          something [syn: impaction]