impingeing is impinge's Present Participle

impinge

US [ɪmˈpɪndʒ]
UK 
  • v.冲击;侵害;侵犯;(密切)接触
  • Web撞击;影响;药液快速冲击
Simple Present:impinges  Present Participle:impingeing  Past Tense:impinged  
v.
1.
冲击,撞击 (on; upon; against)
2.
侵害;侵犯
3.
(密切)接触
4.
(气体等)撞击
1.
冲击,撞击 (on; upon; against)
2.
侵害;侵犯
3.
(密切)接触
4.
(气体等)撞击